Critical severity9.6NVD Advisory· Published Sep 15, 2026· Updated Oct 5, 2026
CVE-2026-92035
CVE-2026-92035
Description
Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Thunderbird 140.17, Firefox 156, Firefox ESR 153.3, Thunderbird 156, Thunderbird 153.3, Firefox ESR 115.42, and Firefox ESR 140.17.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <115.42.0
- (no CPE)range: up to 156, up to 115.42, up to 140.17
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <140.17.0
- (no CPE)range: up to 140.17, up to 156, up to 153.3
- osv-coords7 versionspkg:rpm/almalinux/firefoxpkg:rpm/almalinux/firefox-x11pkg:rpm/almalinux/thunderbirdpkg: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
< 140.17.0-1.el9_8.alma.1+ 6 more
- (no CPE)range: < 140.17.0-1.el9_8.alma.1
- (no CPE)range: < 140.17.0-1.el9_8.alma.1
- (no CPE)range: < 140.17.0-1.el8_10.alma.1
- (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
8- www.mozilla.org/security/advisories/mfsa2026-102/nvdVendor Advisory
- 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
- www.mozilla.org/security/advisories/mfsa2026-98/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-99/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdPermissions Required
News mentions
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