← All advisories

High severity7.5NVD Advisory· Published Aug 18, 2026· Updated Aug 25, 2026

CVE-2026-74977

CVE-2026-74977

Description

Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Affected products

7

Mozilla Corporation/Firefoxllm-fuzzy
Range: up to 154
osv-coords6 versions
pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/mozilla-nspr&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/mozilla-nss&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/rust-cbindgen&distro=openSUSE%20Leap%2016.0
< 153.1.0-160000.1.2+ 5 more
- (no CPE)range: < 153.1.0-160000.1.2
- (no CPE)range: < 154.0-1.1
- (no CPE)range: < 153.1.0-1.1
- (no CPE)range: < 4.39-160000.1.1
- (no CPE)range: < 3.125-160000.1.1
- (no CPE)range: < 0.29.4+git0-160000.1.1

Patches

Vulnerability mechanics

References

5

www.mozilla.org/security/advisories/mfsa2026-74/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/mfsa2026-80/nvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdPermissions Required

News mentions

0

No linked articles in our index yet.