{"id":"CVE-2026-2788","published":"2026-02-24T13:33:20Z","modified":"2026-04-21T02:40:29Z","title":"Incorrect boundary conditions in the Audio/Video: GMP component","vendor":"Mozilla","product":"Firefox","tier":"tail","description":{"text":"Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.","provenance":"source","from":"CVE.org"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00677,"percentile":0.52149,"provenance":"source"},"cwes":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2014824","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-13/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-14/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-15/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-16/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-17/","tags":[]}],"priority":{"score":17.3,"factors":[{"name":"EPSS percentile","points":10.43},{"name":"CVSS severity","points":6.86}]},"vendorSlug":"mozilla","euvd":{"id":"EUVD-2026-8441","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-mozilla-firefox-cwe-119"}}