Critical severity9.6NVD Advisory· Published Sep 15, 2026· Updated Oct 5, 2026
CVE-2026-92045
CVE-2026-92045
Description
Sandbox escape due to incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
Affected products
9cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <153.3.0
- (no CPE)range: up to 156
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <153.3.0
- (no CPE)range: up to 153.3
- Range: up to 153.3
- osv-coords4 versionspkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed
< 153.3.0-160000.1.1+ 3 more
- (no CPE)range: < 153.3.0-160000.1.1
- (no CPE)range: < 156.0-1.1
- (no CPE)range: < 153.4.0-1.1
- (no CPE)range: < 153.3.0-1.1
Patches
Vulnerability mechanics
References
5- www.mozilla.org/security/advisories/mfsa2026-90/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-93/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-94/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-96/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdPermissions Required
News mentions
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