{"id":"CVE-2023-37463","state":"PUBLISHED","title":"Quadratic complexity bugs may lead to a denial of service","description":"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","publishedAt":"2023-07-13T19:22:16.654Z","updatedAt":"2024-10-30T18:48:32.341Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["github cmark-gfm"],"affected":[{"vendor":"github","product":"cmark-gfm","versions":[{"version":"< 0.29.0.gfm.12","status":"affected"}]}],"references":["https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5","https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:06:08.715Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/37xxx/CVE-2023-37463.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-37463","state":"PUBLISHED","datePublished":"2023-07-13T19:22:16.654Z","dateUpdated":"2024-10-30T18:48:32.341Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-07-06T13:01:36.997Z"},"containers":{"cna":{"title":"Quadratic complexity bugs may lead to a denial of service","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"}],"affected":[{"vendor":"github","product":"cmark-gfm","versions":[{"version":"< 0.29.0.gfm.12","status":"affected"}]}],"references":[{"url":"https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5","name":"https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12","name":"https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-07-13T19:22:16.654Z"},"source":{"advisory":"GHSA-w4qg-3vf7-m9x5","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5","name":"https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12","name":"https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T17:16:30.468Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-10-30T18:48:24.298406Z","id":"CVE-2023-37463","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-30T18:48:32.341Z"}}]}}}