{
    "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-2026-4174",
        "tracking": {
            "current_release_date": "2026-03-23T04:31:55.727152Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-4174",
            "initial_release_date": "2026-03-14T15:58:45.068884Z",
            "revision_history": [
                {
                    "date": "2026-03-14T15:58:45.068884Z",
                    "number": "1",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-03-15T11:38:50.368543Z",
                    "number": "2",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Exploits created (1).| References created (6).| CWES updated (1)."
                },
                {
                    "date": "2026-03-15T11:38:58.907035Z",
                    "number": "3",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-15T14:47:55.999949Z",
                    "number": "4",
                    "summary": "Source created.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-03-15T14:47:58.754487Z",
                    "number": "5",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-16T14:36:51.637004Z",
                    "number": "6",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (7).| CWES updated (1)."
                },
                {
                    "date": "2026-03-16T14:36:53.428604Z",
                    "number": "7",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-17T00:28:21.356364Z",
                    "number": "8",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (9).| CWES updated (1).| Vendor_assessment created."
                },
                {
                    "date": "2026-03-17T00:28:29.975644Z",
                    "number": "9",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-17T00:44:06.823330Z",
                    "number": "10",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source."
                },
                {
                    "date": "2026-03-17T16:38:56.875846Z",
                    "number": "11",
                    "summary": "Unknown change."
                },
                {
                    "date": "2026-03-17T16:38:58.790833Z",
                    "number": "12",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-20T09:26:46.892919Z",
                    "number": "13",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-03-20T09:26:49.790234Z",
                    "number": "14",
                    "summary": "NCSC Score updated."
                }
            ],
            "status": "interim",
            "version": "14"
        }
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-4174",
            "cwe": {
                "id": "CWE-404",
                "name": "Improper Resource Shutdown or Release"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "A vulnerability has been found in Radare2 5.9.9. This issue affects the function walk_exports_trie of the file libr/bin/format/mach0/mach0.c of the component Mach-O File Parser. Such manipulation leads to resource consumption. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The existence of this vulnerability is still disputed at present. Upgrading to version 6.1.2 is capable of addressing this issue. The name of the patch is 4371ae84c99c46b48cb21badbbef06b30757aba0. You should upgrade the affected component. The code maintainer states that, \"[he] wont consider this bug a DoS\".",
                    "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-4174"
                },
                {
                    "category": "description",
                    "text": "A vulnerability has been found in Radare2 5.9.9. This issue affects the function walk_exports_trie of the file libr/bin/format/mach0/mach0.c of the component Mach-O File Parser. Such manipulation leads to resource consumption. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The existence of this vulnerability is still disputed at present. Upgrading to version 6.1.2 is capable of addressing this issue. The name of the patch is 4371ae84c99c46b48cb21badbbef06b30757aba0. You should upgrade the affected component. The code maintainer states that, \"[he] wont consider this bug a DoS\".",
                    "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-4174"
                },
                {
                    "category": "description",
                    "text": "A flaw was found in Radare2. A local attacker could exploit a vulnerability in the Mach-O File Parser component, specifically within the `walk_exports_trie` function. By manipulating this component, an attacker can cause excessive resource consumption, potentially leading to a Denial of Service (DoS). An exploit for this issue has been publicly disclosed.\nThis MODERATE impact vulnerability in Radare2 allows a local attacker to cause resource consumption by manipulating Mach-O files. The flaw affects the `walk_exports_trie` function within the Mach-O File Parser component. Exploitation requires local access to the system.",
                    "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-4174"
                },
                {
                    "category": "description",
                    "text": "A vulnerability has been found in Radare2 5.9.9. This issue affects the function walk_exports_trie of the file libr/bin/format/mach0/mach0.c of the component Mach-O File Parser. Such manipulation leads to resource consumption. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The existence of this vulnerability is still disputed at present. Upgrading to version 6.1.2 is capable of addressing this issue. The name of the patch is 4371ae84c99c46b48cb21badbbef06b30757aba0. You should upgrade the affected component. The code maintainer states that, \"[he] wont consider this bug a DoS\".",
                    "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-4174"
                },
                {
                    "category": "other",
                    "text": "0.00013",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
                    "title": "CVSSV4"
                },
                {
                    "category": "other",
                    "text": "1.9",
                    "title": "CVSSV4 base score"
                },
                {
                    "category": "other",
                    "text": "3.1",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "There is cwe data available from source Redhat, Is related to CWE-400 (Uncontrolled Resource Consumption)",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "Is related to (a version of) an uncommon product, There is cwe data available from source Nvd, There is exploit data available from source Cveprojectv5, Exploit code publicly available",
                    "title": "NCSC Score top decreasing factors"
                },
                {
                    "category": "details",
                    "text": "Severity: 2\n",
                    "title": "Vendor assessment"
                }
            ],
            "references": [
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-4174"
                },
                {
                    "category": "external",
                    "summary": "Source raw - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/4xxx/CVE-2026-4174.json"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-4174"
                },
                {
                    "category": "external",
                    "summary": "Source raw - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4174"
                },
                {
                    "category": "external",
                    "summary": "Source raw - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-4174"
                },
                {
                    "category": "external",
                    "summary": "Source - redhat",
                    "url": "https://access.redhat.com/security/cve/CVE-2026-4174"
                },
                {
                    "category": "external",
                    "summary": "Source raw - redhat",
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-4174.json"
                },
                {
                    "category": "external",
                    "summary": "Source - debian",
                    "url": "https://security-tracker.debian.org/tracker/CVE-2026-4174"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://vuldb.com/?id.351081"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://vuldb.com/?ctiid.351081"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://vuldb.com/?submit.769799"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://github.com/radareorg/radare2/issues/25482"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://github.com/ToddAWalter/radare2/commit/4371ae84c99c46b48cb21badbbef06b30757aba0"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://github.com/radareorg/radare2/milestone/94"
                },
                {
                    "category": "external",
                    "summary": "Reference - nvd; redhat",
                    "url": "https://github.com/user-attachments/files/25620145/gen_macho_poc.py"
                },
                {
                    "category": "external",
                    "summary": "Reference - redhat",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-4174"
                },
                {
                    "category": "external",
                    "summary": "Reference - redhat",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4174"
                }
            ],
            "title": "CVE-2026-4174"
        }
    ]
}