{"id":"CVE-2026-74973","published":"2026-08-18T12:23:33Z","modified":"2026-08-18T18:55:20Z","title":"Race condition, use-after-free in the Graphics component","vendor":"Mozilla","product":"Firefox","tier":"tail","description":{"text":"Race condition, use-after-free in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.","provenance":"source","from":"CVE.org"},"cvss":{"score":4.2,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00215,"percentile":0.11938,"provenance":"source"},"cwes":[{"id":"CWE-362","name":"Concurrent Execution using Shared Resource with Improper Synchronization"},{"id":"CWE-416","name":"Use After Free"}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2060357","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-74/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-75/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-76/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-77/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-78/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-79/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-80/","tags":[]}],"priority":{"score":5.3,"factors":[{"name":"EPSS percentile","points":2.39},{"name":"CVSS severity","points":2.94}]},"vendorSlug":"mozilla","euvd":{"id":"EUVD-2026-60668","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-mozilla-firefox-cwe-416"}}