CVE-2022-24724

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This vulnerability has been patched in the following cmark-gfm versions 0.29.0.gfm.3 and 0.28.3.gfm.21. A workaround is available. The vulnerability exists in the table markdown extensions of cmark-gfm. Disabling the table extension will prevent this vulnerability from being triggered."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "description": "CWE-190: Integer Overflow or Wraparound", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-04-06T17:07:50.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-mc3g-88wq-6f4x"}, {"name": "FEDORA-2022-557ad15f2e", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z55K6VNVKO2G5SNKRCQ2KDG5SKTX5PVV/"}, {"name": "FEDORA-2022-725edc74c0", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJBFIJEHJZEEDG6MO4MQHZYKUXELH77O/"}, {"name": "FEDORA-2022-bc43bafcfd", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7V3HAM5H6YFJG2QFEXACZR3XVWFTXTC/"}, {"name": "FEDORA-2022-c42d02e5e5", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5CYUU662VO6CCXQKVZVOHXX3RGIF2DLQ/"}, {"name": "FEDORA-2022-79b9a59e3b", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RSKUOJ2VAYGTJXPDE2RRPMNLVVMKCI77/"}, {"name": "FEDORA-2022-1f981071eb", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KH4UQA6VWVZU5EW3HNEAB7D7BTCNJSJ2/"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/166599/cmark-gfm-Integer-overflow.html"}], "source": {"advisory": "GHSA-mc3g-88wq-6f4x", "discovery": "UNKNOWN"}, "title": "Integer overflow in table parsing extension leads to heap memory corruption", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-24724", "STATE": "PUBLIC", "TITLE": "Integer overflow in table parsing extension leads to heap memory corruption"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "cmark-gfm", "version": {"version_data": [{"version_value": "< 0.28.3.gfm.21"}, {"version_value": ">= 0.29.0.gfm.0, < 0.29.0.gfm.3"}]}}]}, "vendor_name": "github"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "cmark-gfm is GitHub's extended version of the C reference implementation of CommonMark. 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{"affected": [{"affectedData": [{"product": "cmark-gfm", "vendor": "github", "versions": [{"status": "affected", "version": "< 0.28.3.gfm.21"}, {"status": "affected", "version": ">= 0.29.0.gfm.0, < 0.29.0.gfm.3"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:*", "matchCriteriaId": "EE338A98-B4AC-4761-B15C-8E94487F3BD7", "versionEndExcluding": "0.28.3.gfm.21", "vulnerable": true}, {"criteria": "cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:*", "matchCriteriaId": "47034C04-8392-42EC-A3E6-7744663DD3A7", "versionEndExcluding": "0.29.0.gfm.3", "versionStartExcluding": "0.28.3.gfm.21", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*", "matchCriteriaId": "5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "cmark-gfm is GitHub's extended version of the C reference implementation of CommonMark. Prior to versions 0.29.0.gfm.3 and 0.28.3.gfm.21, an integer overflow in cmark-gfm's table row parsing `table.c:row_from_string` may lead to heap memory corruption when parsing tables who's marker rows contain more than UINT16_MAX columns. The impact of this heap corruption ranges from Information Leak to Arbitrary Code Execution depending on how and where `cmark-gfm` is used. If `cmark-gfm` is used for rendering remote user controlled markdown, this vulnerability may lead to Remote Code Execution (RCE) in applications employing affected versions of the `cmark-gfm` library. This vulnerability has been patched in the following cmark-gfm versions 0.29.0.gfm.3 and 0.28.3.gfm.21. A workaround is available. The vulnerability exists in the table markdown extensions of cmark-gfm. Disabling the table extension will prevent this vulnerability from being triggered."}, {"lang": "es", "value": "cmark-gfm es la versi\u00f3n extendida de GitHub de la implementaci\u00f3n de referencia en C de CommonMark. En versiones anteriores a 0.29.0.gfm.3 y 0.28.3.gfm.21, un desbordamiento de enteros en el an\u00e1lisis de filas de tablas de cmark-gfm, \"table.c:row_from_string\", pod\u00eda conllevar a una corrupci\u00f3n de la memoria de la pila cuando eran analizadas tablas cuyas filas de marcadores conten\u00edan m\u00e1s de UINT16_MAX columnas. El impacto de esta corrupci\u00f3n de memoria va desde un filtrado de informaci\u00f3n hasta una ejecuci\u00f3n de c\u00f3digo arbitrario, dependiendo de c\u00f3mo y d\u00f3nde es usado \"cmark-gfm\". Si \"cmark-gfm\" es usado para renderizar markdown controlado por usuarios remotos, esta vulnerabilidad puede conllevar a una Ejecuci\u00f3n de C\u00f3digo Remota (RCE) en aplicaciones que empleen versiones afectadas de la biblioteca \"cmark-gfm\". Esta vulnerabilidad ha sido parcheada en las siguientes versiones de cmark-gfm: 0.29.0.gfm.3 y 0.28.3.gfm.21. Se presenta una medida de mitigaci\u00f3n disponible. La vulnerabilidad se presenta en las extensiones de tablas markdown de cmark-gfm. Si es deshabilitada la extensi\u00f3n de la tabla, podr\u00e1 evitarse que sea producida esta vulnerabilidad"}], "id": "CVE-2022-24724", "lastModified": "2026-06-17T04:32:22.620", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-24724", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-04-22T15:44:15.748265Z", "version": "2.0.3"}}]}, "published": "2022-03-03T20:15:07.997", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "http://packetstormsecurity.com/files/166599/cmark-gfm-Integer-overflow.html"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-mc3g-88wq-6f4x"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5CYUU662VO6CCXQKVZVOHXX3RGIF2DLQ/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7V3HAM5H6YFJG2QFEXACZR3XVWFTXTC/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KH4UQA6VWVZU5EW3HNEAB7D7BTCNJSJ2/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RSKUOJ2VAYGTJXPDE2RRPMNLVVMKCI77/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJBFIJEHJZEEDG6MO4MQHZYKUXELH77O/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z55K6VNVKO2G5SNKRCQ2KDG5SKTX5PVV/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "http://packetstormsecurity.com/files/166599/cmark-gfm-Integer-overflow.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-mc3g-88wq-6f4x"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": 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{"affected_release": [{"advisory": "RHSA-2022:5597", "cpe": "cpe:/a:redhat:enterprise_linux:8::crb", "package": "pandoc-0:2.0.6-6.el8_6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-07-18T00:00:00Z"}], "bugzilla": {"description": "cmark-gfm: possible RCE due to integer overflow", "id": "2060662", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2060662"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-190", "details": ["cmark-gfm is GitHub's extended version of the C reference implementation of CommonMark. Prior to versions 0.29.0.gfm.3 and 0.28.3.gfm.21, an integer overflow in cmark-gfm's table row parsing `table.c:row_from_string` may lead to heap memory corruption when parsing tables who's marker rows contain more than UINT16_MAX columns. The impact of this heap corruption ranges from Information Leak to Arbitrary Code Execution depending on how and where `cmark-gfm` is used. If `cmark-gfm` is used for rendering remote user controlled markdown, this vulnerability may lead to Remote Code Execution (RCE) in applications employing affected versions of the `cmark-gfm` library. This vulnerability has been patched in the following cmark-gfm versions 0.29.0.gfm.3 and 0.28.3.gfm.21. A workaround is available. The vulnerability exists in the table markdown extensions of cmark-gfm. Disabling the table extension will prevent this vulnerability from being triggered."], "name": "CVE-2022-24724", "public_date": "2022-03-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-24724\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-24724"], "threat_severity": "Important"}

{}