{"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": "2026-02-28T00:15:35.201Z"}, "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"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/02/27/9"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-02-28T00:15:35.201Z"}}]}}

{}

{"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": "2026-02-28T01:16:05.077", "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"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/02/27/9"}], "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": "Secondary"}]}

{"bugzilla": {"description": "vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator", "id": "2443484", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2443484"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["No description is available for this CVE."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-28420", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-02-27T22:04:36Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-28420\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-28420\nhttps://github.com/vim/vim/commit/bb6de2105b160e729c34063\nhttps://github.com/vim/vim/releases/tag/v9.2.0076\nhttps://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg"], "threat_severity": "Moderate"}

{}