{ "id": "CVE-2023-22484", "sourceIdentifier": "security-advisories@github.com", "published": "2023-01-23T23:15:10.423", "lastModified": "2023-02-02T14:06:41.013", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to a polynomial time complexity issue in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 }, { "source": "security-advisories@github.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 3.5, "baseSeverity": "LOW" }, "exploitabilityScore": 2.1, "impactScore": 1.4 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-407" } ] }, { "source": "security-advisories@github.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-400" }, { "lang": "en", "value": "CWE-407" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.29.0.gfm.7", "matchCriteriaId": "BEFD0856-0CFF-4D0F-B9D5-02F4A537C5CE" } ] } ] } ], "references": [ { "url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-24f7-9frr-5h2r", "source": "security-advisories@github.com", "tags": [ "Exploit", "Third Party Advisory" ] } ] }