{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-25749", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-05T18:35:52.356Z", "datePublished": "2026-02-06T22:43:38.630Z", "dateUpdated": "2026-02-06T22:43:38.630Z"}, "containers": {"cna": {"title": "Heap Overflow in Vim", "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "lang": "en", "description": "CWE-122: Heap-based Buffer Overflow", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/vim/vim/security/advisories/GHSA-5w93-4g67-mm43", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/vim/vim/security/advisories/GHSA-5w93-4g67-mm43"}, {"name": "https://github.com/vim/vim/commit/0714b15940b245108e6e9d7aa2260dd849a26fa9", "tags": ["x_refsource_MISC"], "url": "https://github.com/vim/vim/commit/0714b15940b245108e6e9d7aa2260dd849a26fa9"}, {"name": "https://github.com/vim/vim/releases/tag/v9.1.2132", "tags": ["x_refsource_MISC"], "url": "https://github.com/vim/vim/releases/tag/v9.1.2132"}], "affected": [{"vendor": "vim", "product": "vim", "versions": [{"version": "< 9.1.2132", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-06T22:43:38.630Z"}, "descriptions": [{"lang": "en", "value": "Vim is an open source, command line text editor. Prior to version 9.1.2132, a heap buffer overflow vulnerability exists in Vim's tag file resolution logic when processing the 'helpfile' option. The vulnerability is located in the get_tagfname() function in src/tag.c. When processing help file tags, Vim copies the user-controlled 'helpfile' option value into a fixed-size heap buffer of MAXPATHL + 1 bytes (typically 4097 bytes) using an unsafe STRCPY() operation without any bounds checking. This issue has been patched in version 9.1.2132."}], "source": {"advisory": "GHSA-5w93-4g67-mm43", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Vim is an open source, command line text editor. Prior to version 9.1.2132, a heap buffer overflow vulnerability exists in Vim's tag file resolution logic when processing the 'helpfile' option. The vulnerability is located in the get_tagfname() function in src/tag.c. When processing help file tags, Vim copies the user-controlled 'helpfile' option value into a fixed-size heap buffer of MAXPATHL + 1 bytes (typically 4097 bytes) using an unsafe STRCPY() operation without any bounds checking. This issue has been patched in version 9.1.2132."}], "id": "CVE-2026-25749", "lastModified": "2026-02-06T23:15:54.230", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-06T23:15:54.230", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/vim/vim/commit/0714b15940b245108e6e9d7aa2260dd849a26fa9"}, {"source": "security-advisories@github.com", "url": "https://github.com/vim/vim/releases/tag/v9.1.2132"}, {"source": "security-advisories@github.com", "url": "https://github.com/vim/vim/security/advisories/GHSA-5w93-4g67-mm43"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}