{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-28420", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-27T15:33:57.290Z", "datePublished": "2026-02-27T22:04:36.189Z", "dateUpdated": "2026-02-27T22:04:36.189Z"}, "containers": {"cna": {"title": "Vim has Heap-based Buffer Overflow and OOB Read in :terminal", "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "lang": "en", "description": "CWE-122: Heap-based Buffer Overflow", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-125", "lang": "en", "description": "CWE-125: Out-of-bounds Read", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg"}, {"name": "https://github.com/vim/vim/commit/bb6de2105b160e729c34063", "tags": ["x_refsource_MISC"], "url": "https://github.com/vim/vim/commit/bb6de2105b160e729c34063"}, {"name": "https://github.com/vim/vim/releases/tag/v9.2.0076", "tags": ["x_refsource_MISC"], "url": "https://github.com/vim/vim/releases/tag/v9.2.0076"}], "affected": [{"vendor": "vim", "product": "vim", "versions": [{"version": "< 9.2.0076", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-27T22:04:36.189Z"}, "descriptions": [{"lang": "en", "value": "Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue."}], "source": {"advisory": "GHSA-rvj2-jrf9-2phg", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue."}], "id": "CVE-2026-28420", "lastModified": "2026-02-27T22:16:25.330", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-27T22:16:25.330", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/vim/vim/commit/bb6de2105b160e729c34063"}, {"source": "security-advisories@github.com", "url": "https://github.com/vim/vim/releases/tag/v9.2.0076"}, {"source": "security-advisories@github.com", "url": "https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-125"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}