{
    "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-2026-30909",
        "tracking": {
            "current_release_date": "2026-03-23T03:26:22.868995Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-30909",
            "initial_release_date": "2026-03-08T01:24:44.089693Z",
            "revision_history": [
                {
                    "date": "2026-03-08T01:24:44.089693Z",
                    "number": "1",
                    "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| References created (6).| CWES updated (1)."
                },
                {
                    "date": "2026-03-08T01:24:49.816236Z",
                    "number": "2",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-03-08T01:38:49.533967Z",
                    "number": "3",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products created (1).| References created (6).| CWES updated (1)."
                },
                {
                    "date": "2026-03-08T01:38:55.056442Z",
                    "number": "4",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-08T05:24:34.309955Z",
                    "number": "5",
                    "summary": "References created (1)."
                },
                {
                    "date": "2026-03-08T05:38:35.803290Z",
                    "number": "6",
                    "summary": "References created (1)."
                },
                {
                    "date": "2026-03-08T07:34:55.152899Z",
                    "number": "7",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-08T14:48:51.425334Z",
                    "number": "8",
                    "summary": "Source created.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-03-08T14:49:05.178634Z",
                    "number": "9",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-10T14:39:11.382628Z",
                    "number": "10",
                    "summary": "CVSS created.| Unknown change."
                },
                {
                    "date": "2026-03-10T14:39:15.783155Z",
                    "number": "11",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-10T18:28:41.644496Z",
                    "number": "12",
                    "summary": "CVSS created."
                },
                {
                    "date": "2026-03-10T18:28:49.329744Z",
                    "number": "13",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-18T13:25:35.223106Z",
                    "number": "14",
                    "summary": "Products created (1).| Product Identifiers created (1)."
                },
                {
                    "date": "2026-03-18T13:25:38.703375Z",
                    "number": "15",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-20T09:33:41.811626Z",
                    "number": "16",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                }
            ],
            "status": "interim",
            "version": "16"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<=2.002",
                                "product": {
                                    "name": "vers:unknown/<=2.002",
                                    "product_id": "CSAFPID-5770240"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Crypt::NaCl::Sodium"
                    }
                ],
                "category": "vendor",
                "name": "TIMLEGGE"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<2.003",
                                "product": {
                                    "name": "vers:unknown/<2.003",
                                    "product_id": "CSAFPID-5844220",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:timlegge:crypt\\:\\:nacl\\:\\:sodium:*:*:*:*:*:perl:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "crypt\\:\\:nacl\\:\\:sodium"
                    }
                ],
                "category": "vendor",
                "name": "timlegge"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-30909",
            "cwe": {
                "id": "CWE-190",
                "name": "Integer Overflow or Wraparound"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "Crypt::NaCl::Sodium versions through 2.002 for Perl has potential integer overflows.\n\nbin2hex, encrypt, aes256gcm_encrypt_afternm and seal functions do not check that output size will be less than SIZE_MAX, which could lead to integer wraparound causing an undersized output buffer.\n\nEncountering this issue is unlikely as the message length would need to be very large.\n\nFor bin2hex() the bin_len would have to be > SIZE_MAX / 2 For encrypt() the msg_len would need to be > SIZE_MAX - 16U For aes256gcm_encrypt_afternm() the msg_len would need to be > SIZE_MAX - 16U For seal() the enc_len would need to be > SIZE_MAX - 64U",
                    "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-30909"
                },
                {
                    "category": "description",
                    "text": "Crypt::NaCl::Sodium versions through 2.002 for Perl has potential integer overflows.\n\nbin2hex, encrypt, aes256gcm_encrypt_afternm and seal functions do not check that output size will be less than SIZE_MAX, which could lead to integer wraparound causing an undersized output buffer.\n\nEncountering this issue is unlikely as the message length would need to be very large.\n\nFor bin2hex() the bin_len would have to be > SIZE_MAX / 2 For encrypt() the msg_len would need to be > SIZE_MAX - 16U For aes256gcm_encrypt_afternm() the msg_len would need to be > SIZE_MAX - 16U For seal() the enc_len would need to be > SIZE_MAX - 64U",
                    "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-30909"
                },
                {
                    "category": "other",
                    "text": "0.00072",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "4.5",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "The value of the most recent EPSS score",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-5770240",
                    "CSAFPID-5844220"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-30909"
                },
                {
                    "category": "external",
                    "summary": "Source raw - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-30909"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-30909"
                },
                {
                    "category": "external",
                    "summary": "Source raw - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/30xxx/CVE-2026-30909.json"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-30909"
                },
                {
                    "category": "external",
                    "summary": "Source raw - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://github.com/cpan-authors/crypt-nacl-sodium/pull/24.patch"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L2116"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L2310"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L3304"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L942"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.003/source/Changes"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "http://www.openwall.com/lists/oss-security/2026/03/08/1"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL"
                    },
                    "products": [
                        "CSAFPID-5770240",
                        "CSAFPID-5844220"
                    ]
                }
            ],
            "title": "CVE-2026-30909"
        }
    ]
}