Critical severity9.8NVD Advisory· Published Aug 18, 2026· Updated Aug 19, 2026
CVE-2026-74964
CVE-2026-74964
Description
Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11- osv-coords10 versionspkg:rpm/opensuse/mozilla-nspr&distro=openSUSE%20Leap%2016.0pkg:rpm/almalinux/thunderbirdpkg:rpm/almalinux/firefox-x11pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2016.0pkg:rpm/almalinux/firefoxpkg:rpm/opensuse/rust-cbindgen&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/mozilla-nss&distro=openSUSE%20Leap%2016.0
< 4.39-160000.1.1+ 9 more
- (no CPE)range: < 4.39-160000.1.1
- (no CPE)range: < 140.14.0-1.el10_2.alma.1
- (no CPE)range: < 140.14.0-1.el9_8.alma.1
- (no CPE)range: < 140.14.0-1.1
- (no CPE)range: < 153.1.0-1.1
- (no CPE)range: < 154.0-1.1
- (no CPE)range: < 140.14.0-160000.1.1
- (no CPE)range: < 140.14.0-1.el9_8.alma.1
- (no CPE)range: < 0.29.4+git0-160000.1.1
- (no CPE)range: < 3.125-160000.1.1
- Range: up to 154
Patches
Vulnerability mechanics
References
7- www.mozilla.org/security/advisories/mfsa2026-74/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-76/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-77/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-78/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-79/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-80/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdPermissions Required
News mentions
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