{"id":"CVE-2026-73075","state":"PUBLISHED","title":"Vim: Out-of-bounds Access in Popup Opacity Handling","description":"Vim is an open source, command line text editor. From 9.2.0469 until 9.2.0843, popup_mark_opacity_zindex() in src/popupwin.c can use a negative w_winrow for a text-property-anchored popup with clipwindow and opacity, indexing before the screen array instead of accounting for w_popup_topoff and causing an out-of-bounds read and conditional write. This issue is fixed in version 9.2.0843.","publishedAt":"2026-08-11T15:36:33.066Z","updatedAt":"2026-08-11T18:31:48.228Z","severity":{"score":4.6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["vim vim"],"affected":[{"vendor":"vim","product":"vim","versions":[{"version":">= 9.2.0469, < 9.2.0843","status":"affected"}]}],"references":["https://github.com/vim/vim/security/advisories/GHSA-pmvp-6rcj-98p4"],"weaknesses":["CWE-124","CWE-125"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73075.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73075","state":"PUBLISHED","datePublished":"2026-08-11T15:36:33.066Z","dateUpdated":"2026-08-11T18:31:48.228Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-10T19:37:41.444Z"},"containers":{"cna":{"title":"Vim: Out-of-bounds Access in Popup Opacity Handling","descriptions":[{"lang":"en","value":"Vim is an open source, command line text editor. From 9.2.0469 until 9.2.0843, popup_mark_opacity_zindex() in src/popupwin.c can use a negative w_winrow for a text-property-anchored popup with clipwindow and opacity, indexing before the screen array instead of accounting for w_popup_topoff and causing an out-of-bounds read and conditional write. This issue is fixed in version 9.2.0843."}],"affected":[{"vendor":"vim","product":"vim","versions":[{"version":">= 9.2.0469, < 9.2.0843","status":"affected"}]}],"references":[{"url":"https://github.com/vim/vim/security/advisories/GHSA-pmvp-6rcj-98p4","name":"https://github.com/vim/vim/security/advisories/GHSA-pmvp-6rcj-98p4","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/vim/vim/security/advisories/GHSA-pmvp-6rcj-98p4","name":"https://github.com/vim/vim/security/advisories/GHSA-pmvp-6rcj-98p4","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":4.6,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-124","lang":"en","description":"CWE-124: Buffer Underwrite ('Buffer Underflow')","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":"2026-08-11T15:36:33.066Z"},"source":{"advisory":"GHSA-pmvp-6rcj-98p4","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T18:31:33.867372Z","id":"CVE-2026-73075","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":"2026-08-11T18:31:48.228Z"}}]}}}