{"id":"CVE-2026-16395","title":"Integer overflow in the Audio/Video component","summary":"Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"adp","vendor":"Mozilla","product":"Firefox","affected":["Firefox","Thunderbird"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-07-21T19:35:22.125656Z"},"published":"2026-07-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T13:50:37.762Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-16395","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2047221"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-71/"}],"tags":["cve.org"],"epss":0.00336,"epssPercentile":0.25559,"ingestedAt":"2026-10-21T13:57:01.103Z","slug":"CVE-2026-16395","body":"## Overview\n\nInteger overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.\n\n## Affected\n\n- `Firefox`\n- `Thunderbird`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}