{
    "document": {
        "category": "csaf_base",
        "csaf_version": "2.0",
        "distribution": {
            "tlp": {
                "label": "WHITE"
            }
        },
        "lang": "en",
        "notes": [
            {
                "category": "legal_disclaimer",
                "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
            }
        ],
        "publisher": {
            "category": "coordinator",
            "contact_details": "cert@ncsc.nl",
            "name": "National Cyber Security Centre",
            "namespace": "https://www.ncsc.nl/"
        },
        "title": "CVE-2026-109618",
        "tracking": {
            "current_release_date": "2026-10-21T21:18:14.913835Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-109618",
            "initial_release_date": "2026-10-20T21:05:22.758897Z",
            "revision_history": [
                {
                    "date": "2026-10-20T21:05:22.758897Z",
                    "number": "1",
                    "summary": "CVE created.| Source connected.| CVE status created. (valid)| News created (1)."
                },
                {
                    "date": "2026-10-20T21:05:32.158204Z",
                    "number": "2",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-10-21T07:32:01.258137Z",
                    "number": "3",
                    "summary": "Source connected.| CVE status created. (valid)| News created (1)."
                },
                {
                    "date": "2026-10-21T10:05:47.499964Z",
                    "number": "4",
                    "summary": "Source created.| CVE status created. (valid)| Products connected (1).| Product Identifiers created (1).| References created (4)."
                },
                {
                    "date": "2026-10-21T10:05:54.925610Z",
                    "number": "5",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T13:15:58.161608Z",
                    "number": "6",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T14:02:25.044190Z",
                    "number": "7",
                    "summary": "Source created.| CVE status created. (valid)"
                },
                {
                    "date": "2026-10-21T14:36:03.355042Z",
                    "number": "8",
                    "summary": "Source connected.| CVE status created. (valid)| News created (1)."
                },
                {
                    "date": "2026-10-21T14:36:11.690306Z",
                    "number": "9",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T14:39:36.600859Z",
                    "number": "10",
                    "summary": "CVSS created.| CWES created (5).| Products created (4).| References created (1).| Description created for source.| Unknown change."
                },
                {
                    "date": "2026-10-21T14:39:46.728466Z",
                    "number": "11",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T15:05:28.830316Z",
                    "number": "12",
                    "summary": "Source connected.| CVE status created. (valid)| News created (1)."
                },
                {
                    "date": "2026-10-21T15:35:57.009762Z",
                    "number": "13",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T15:39:54.094223Z",
                    "number": "14",
                    "summary": "Unknown change.| References created (1)."
                },
                {
                    "date": "2026-10-21T16:17:05.274556Z",
                    "number": "15",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T16:18:55.468921Z",
                    "number": "16",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T16:41:16.606347Z",
                    "number": "17",
                    "summary": "References created (1)."
                },
                {
                    "date": "2026-10-21T17:17:45.265394Z",
                    "number": "18",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T17:30:44.502271Z",
                    "number": "19",
                    "summary": "Source connected.| CVE status created. (valid)| News created (1)."
                },
                {
                    "date": "2026-10-21T18:17:51.624249Z",
                    "number": "20",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T18:43:45.348800Z",
                    "number": "21",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (6).| Product Threats created (18).| Products connected (3).| References created (2).| CWES updated (1)."
                },
                {
                    "date": "2026-10-21T18:43:53.313577Z",
                    "number": "22",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T18:46:36.244541Z",
                    "number": "23",
                    "summary": "Source created.| CVE status created. (valid)| Products connected (1).| Product Identifiers created (1)."
                },
                {
                    "date": "2026-10-21T19:27:34.772094Z",
                    "number": "24",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T19:30:06.397306Z",
                    "number": "25",
                    "summary": "Source connected.| CVE status created. (valid)| News created (1)."
                },
                {
                    "date": "2026-10-21T19:30:09.494792Z",
                    "number": "26",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-10-21T20:30:11.591846Z",
                    "number": "27",
                    "summary": "Source connected.| CVE status created. (valid)| News created (1)."
                },
                {
                    "date": "2026-10-21T21:18:12.169387Z",
                    "number": "28",
                    "summary": "NCSC Score updated."
                }
            ],
            "status": "interim",
            "version": "28"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:paloalto/*",
                                "product": {
                                    "name": "vers:paloalto/*",
                                    "product_id": "CSAFPID-9807643"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Bridgecrew"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:paloalto/*",
                                "product": {
                                    "name": "vers:paloalto/*",
                                    "product_id": "CSAFPID-2521402"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Cloud NGFW"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:paloalto/*",
                                "product": {
                                    "name": "vers:paloalto/*",
                                    "product_id": "CSAFPID-9807644"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Cortex XDR Agent"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:paloalto/*",
                                "product": {
                                    "name": "vers:paloalto/*",
                                    "product_id": "CSAFPID-9807645"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Cortex XSOAR"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:paloalto/*",
                                "product": {
                                    "name": "vers:paloalto/*",
                                    "product_id": "CSAFPID-9807646"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Cortex Xpanse"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:paloalto/*",
                                "product": {
                                    "name": "vers:paloalto/*",
                                    "product_id": "CSAFPID-9807647"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Idira"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:paloalto/*",
                                "product": {
                                    "name": "vers:paloalto/*",
                                    "product_id": "CSAFPID-9807648"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "PAN-OS "
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:paloalto/*",
                                "product": {
                                    "name": "vers:paloalto/*",
                                    "product_id": "CSAFPID-2521476"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Panorama"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:paloalto/*",
                                "product": {
                                    "name": "vers:paloalto/*",
                                    "product_id": "CSAFPID-2521438"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Prisma Access"
                    }
                ],
                "category": "vendor",
                "name": "Palo Alto Networks"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-2732521",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:php:php:-"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Open Source PHP"
                    }
                ],
                "category": "vendor",
                "name": "Open Source"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:semver/8.2.*|<8.2.35",
                                "product": {
                                    "name": "vers:semver/8.2.*|<8.2.35",
                                    "product_id": "CSAFPID-9793497"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:semver/8.3.*|<8.3.36",
                                "product": {
                                    "name": "vers:semver/8.3.*|<8.3.36",
                                    "product_id": "CSAFPID-9793498"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:semver/8.4.*|<8.4.27",
                                "product": {
                                    "name": "vers:semver/8.4.*|<8.4.27",
                                    "product_id": "CSAFPID-9793499"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:semver/8.5.*|<8.5.12",
                                "product": {
                                    "name": "vers:semver/8.5.*|<8.5.12",
                                    "product_id": "CSAFPID-9793500"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "PHP"
                    }
                ],
                "category": "vendor",
                "name": "PHP Group"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:deb/8.2.35-1~deb12u1",
                                        "product": {
                                            "name": "vers:deb/8.2.35-1~deb12u1",
                                            "product_id": "CSAFPID-9807652",
                                            "product_identification_helper": {
                                                "purl": "pkg:deb/debian/php8.2@8.2.35-1~deb12u1?distro=bookworm"
                                            }
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "php8.2"
                            }
                        ],
                        "category": "product_family",
                        "name": "bookworm"
                    }
                ],
                "category": "vendor",
                "name": "Debian"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-109618",
            "cwe": {
                "id": "CWE-1325",
                "name": "Improperly Controlled Sequential Memory Allocation"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave request memory in an uninitialized state before performing an allocation. The subsequent request cleanup procedure may read or branch on this memory. Multiple OOM strategies can consistently trigger this condition and lead to remote code execution (RCE).",
                    "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-109618"
                },
                {
                    "category": "description",
                    "text": "Palo Alto Networks is aware of two critical vulnerabilities in PHP: CVE-2026-109618 and CVE-2026-109619.\n\nCVE-2026-109618 involves a remote code execution vulnerability where handling out-of-memory errors via longjmp() leaves request memory uninitialized due to improper control flow management, allowing attackers to reliably achieve RCE using out-of-memory (OOM) triggers.\n\nCVE-2026-109619 describes a remote code execution vulnerability where longjmp() fatal error handling leaves global memory pointing to freed memory regions. These regions can later be read or branched on during subsequent requests, enabling attackers to execute arbitrary code.\n\nPalo Alto Networks has conducted an evaluation of our product portfolio regarding this issue; a summary of the status across products is provided in the table below. We will update the below table when we get more information.",
                    "title": "paloalto - https://security.paloaltonetworks.com/CVE-2026-109618"
                },
                {
                    "category": "other",
                    "text": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "title": "CVSSV4"
                },
                {
                    "category": "other",
                    "text": "9.2",
                    "title": "CVSSV4 base score"
                },
                {
                    "category": "other",
                    "text": "8.0",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "There is news data available from source Wired, Is related to (a version of) an uncommon product, There is product data available from source Certbundde, There is news data available from source Bleepingcomputer, There is product data available from a private source, There is cvss data available from a private source",
                    "title": "NCSC Score top increasing factors"
                }
            ],
            "product_status": {
                "first_fixed": [
                    "CSAFPID-9807652"
                ],
                "known_affected": [
                    "CSAFPID-2732521",
                    "CSAFPID-9793497",
                    "CSAFPID-9793498",
                    "CSAFPID-9793499",
                    "CSAFPID-9793500",
                    "CSAFPID-2521476",
                    "CSAFPID-9807648"
                ],
                "known_not_affected": [
                    "CSAFPID-2521402",
                    "CSAFPID-2521438",
                    "CSAFPID-9807643",
                    "CSAFPID-9807644",
                    "CSAFPID-9807645",
                    "CSAFPID-9807646",
                    "CSAFPID-9807647"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-109618"
                },
                {
                    "category": "external",
                    "summary": "Source - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/php-warns-admins-of-two-critical-flaws-emergency-patches-coming-tomorrow/"
                },
                {
                    "category": "external",
                    "summary": "Source - securityweek",
                    "url": "https://www.securityweek.com/php2shell-mass-exploitation-looms-for-leaked-critical-php-flaws/"
                },
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4055.json"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-109618"
                },
                {
                    "category": "external",
                    "summary": "Source - wired",
                    "url": "https://www.wired.com/story/this-is-not-a-drill-2-php-vulnerabilities-are-setting-the-internet-on-fire/"
                },
                {
                    "category": "external",
                    "summary": "Source - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/php-ships-emergency-patches-for-critical-php2shell-flaws/"
                },
                {
                    "category": "external",
                    "summary": "Source - debian",
                    "url": "https://security-tracker.debian.org/tracker/CVE-2026-109618"
                },
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0443"
                },
                {
                    "category": "external",
                    "summary": "Source - securityweek",
                    "url": "https://www.securityweek.com/php2shell-patches-land-as-first-exploitation-attempts-hit-sensors/"
                },
                {
                    "category": "external",
                    "summary": "Source - securitynl",
                    "url": "https://www.security.nl/posting/958403/PHP+publiceert+patches+voor+kritieke+kwetsbaarheden%3A+%27Patch+nu+meteen%21%27?channel=rss"
                },
                {
                    "category": "external",
                    "summary": "Source - paloalto",
                    "url": "https://security.paloaltonetworks.com/CVE-2026-109618"
                },
                {
                    "category": "external",
                    "summary": "Source - securitynl",
                    "url": "https://www.security.nl/posting/958424/Misbruik+van+PHP2Shell-lek+gemeld%2C+DigiD+en+andere+sites+weer+online?channel=rss"
                },
                {
                    "category": "external",
                    "summary": "News - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/php-warns-admins-of-two-critical-flaws-emergency-patches-coming-tomorrow/"
                },
                {
                    "category": "external",
                    "summary": "News - securityweek",
                    "url": "https://www.securityweek.com/php2shell-mass-exploitation-looms-for-leaked-critical-php-flaws/"
                },
                {
                    "category": "external",
                    "summary": "News - wired",
                    "url": "https://www.wired.com/story/this-is-not-a-drill-2-php-vulnerabilities-are-setting-the-internet-on-fire/"
                },
                {
                    "category": "external",
                    "summary": "News - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/php-ships-emergency-patches-for-critical-php2shell-flaws/"
                },
                {
                    "category": "external",
                    "summary": "News - securityweek",
                    "url": "https://www.securityweek.com/php2shell-patches-land-as-first-exploitation-attempts-hit-sensors/"
                },
                {
                    "category": "external",
                    "summary": "News - securitynl",
                    "url": "https://www.security.nl/posting/958403/PHP+publiceert+patches+voor+kritieke+kwetsbaarheden%3A+%27Patch+nu+meteen%21%27?channel=rss"
                },
                {
                    "category": "external",
                    "summary": "News - securitynl",
                    "url": "https://www.security.nl/posting/958424/Misbruik+van+PHP2Shell-lek+gemeld%2C+DigiD+en+andere+sites+weer+online?channel=rss"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; paloalto",
                    "url": "https://github.com/php/php-src/security/advisories/GHSA-w8hw-w9fx-j79w"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4055.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4055"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://www.php.net/archive/2026.php#2026-10-20-1"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://cert.europa.eu/publications/security-advisories/2026-018/"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5",
                    "url": "https://www.wiz.io/blog/php2shell-php-rce"
                },
                {
                    "category": "external",
                    "summary": "Reference - paloalto",
                    "url": "https://github.com/php/php-src/security/advisories/GHSA-6wmf-4rv5-p3rp"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5",
                    "url": "http://www.openwall.com/lists/oss-security/2026/10/21/6"
                }
            ],
            "threats": [
                {
                    "category": "exploit_status",
                    "details": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:M/U:Amber",
                    "product_ids": [
                        "CSAFPID-2521402",
                        "CSAFPID-2521438",
                        "CSAFPID-2521476",
                        "CSAFPID-9807643",
                        "CSAFPID-9807644",
                        "CSAFPID-9807645",
                        "CSAFPID-9807646",
                        "CSAFPID-9807647",
                        "CSAFPID-9807648"
                    ]
                },
                {
                    "category": "exploit_status",
                    "details": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:M/U:Amber",
                    "product_ids": [
                        "CSAFPID-2521402",
                        "CSAFPID-2521438",
                        "CSAFPID-2521476",
                        "CSAFPID-9807643",
                        "CSAFPID-9807644",
                        "CSAFPID-9807645",
                        "CSAFPID-9807646",
                        "CSAFPID-9807647",
                        "CSAFPID-9807648"
                    ]
                }
            ],
            "title": "CVE-2026-109618"
        }
    ]
}