{ "id": "CVE-2023-37463", "sourceIdentifier": "security-advisories@github.com", "published": "2023-07-13T20:15:09.327", "lastModified": "2024-11-21T08:11:45.590", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. These vulnerabilities have been patched in 0.29.0.gfm.12.\n" } ], "metrics": { "cvssMetricV31": [ { "source": "security-advisories@github.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.6, "impactScore": 4.7 }, { "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", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "security-advisories@github.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-400" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.29.0.gfm.12", "matchCriteriaId": "78444374-3BCE-483F-94BC-AECCBE065DA5" } ] } ] } ], "references": [ { "url": "https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12", "source": "security-advisories@github.com", "tags": [ "Release Notes" ] }, { "url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5", "source": "security-advisories@github.com", "tags": [ "Exploit" ] }, { "url": "https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes" ] }, { "url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit" ] } ] }