{"id":"CVE-2026-73075","title":"Vim is an open source, command line text editor","summary":"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 …","severity":"low","cvss":3.9,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","cwe":["CWE-124","CWE-125"],"vendor":"vim","product":"vim","affected":["vim >= 9.2.0469, < 9.2.0843"],"patched":["vim 9.2.0843"],"published":"2026-08-11","updated":"2026-10-06","sourceUpdated":"2026-10-06T20:02:42.713","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73075","references":[{"url":"https://github.com/vim/vim/security/advisories/GHSA-pmvp-6rcj-98p4","label":"security-advisories@github.com"},{"url":"https://github.com/vim/vim/security/advisories/GHSA-pmvp-6rcj-98p4","label":"security-advisories@github.com"},{"url":"https://github.com/vim/vim/security/advisories/GHSA-pmvp-6rcj-98p4","label":"security-advisories@github.com"},{"url":"https://github.com/vim/vim/security/advisories/GHSA-pmvp-6rcj-98p4","label":"security-advisories@github.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-73075.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-73075"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2514039"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-73075"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73075"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00094,"epssPercentile":0.0058,"ingestedAt":"2026-09-09T21:22:45.527Z","scores":{"nvd":3.9,"vendor":4.4},"slug":"CVE-2026-73075","body":"## Overview\n\nVim 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.\n\n## Affected\n\n- `vim >= 9.2.0469, < 9.2.0843`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `vim 9.2.0843`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-10-06 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-73075.json)","depth":"sunlit","depthScore":21,"depthScoreParts":{"impact":21.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":216709,"id":"CVE-2026-73075","ts":1791317838443,"field":"cvss","old":null,"new":"3.9"},{"seq":216708,"id":"CVE-2026-73075","ts":1791317838443,"field":"severity","old":"none","new":"low"}]}