{"id":"CVE-2026-28420","state":"PUBLISHED","title":"Vim has Heap-based Buffer Overflow and OOB Read in :terminal","description":"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.","publishedAt":"2026-02-27T22:04:36.189Z","updatedAt":"2026-03-02T21:55:05.724Z","severity":{"score":4.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["vim vim"],"affected":[{"vendor":"vim","product":"vim","versions":[{"version":"< 9.2.0076","status":"affected"}]}],"references":["https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg","https://github.com/vim/vim/commit/bb6de2105b160e729c34063","https://github.com/vim/vim/releases/tag/v9.2.0076","http://www.openwall.com/lists/oss-security/2026/02/27/9"],"weaknesses":["CWE-122","CWE-125"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/28xxx/CVE-2026-28420.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-28420","state":"PUBLISHED","datePublished":"2026-02-27T22:04:36.189Z","dateUpdated":"2026-03-02T21:55:05.724Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-27T15:33:57.290Z"},"containers":{"cna":{"title":"Vim has Heap-based Buffer Overflow and OOB Read in :terminal","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."}],"affected":[{"vendor":"vim","product":"vim","versions":[{"version":"< 9.2.0076","status":"affected"}]}],"references":[{"url":"https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg","name":"https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/vim/vim/commit/bb6de2105b160e729c34063","name":"https://github.com/vim/vim/commit/bb6de2105b160e729c34063","tags":["x_refsource_MISC"]},{"url":"https://github.com/vim/vim/releases/tag/v9.2.0076","name":"https://github.com/vim/vim/releases/tag/v9.2.0076","tags":["x_refsource_MISC"]}],"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"}}],"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"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-02-27T22:04:36.189Z"},"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":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-02-28T00:15:35.201Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-02T21:54:55.613292Z","id":"CVE-2026-28420","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-02T21:55:05.724Z"}}]}}}