Detections
Analytics
CVE-2026-0879
high
Description
Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
References
https://www.mozilla.org/security/advisories/mfsa2026-05/
https://www.mozilla.org/security/advisories/mfsa2026-04/
https://www.mozilla.org/security/advisories/mfsa2026-03/
https://www.mozilla.org/security/advisories/mfsa2026-02/
https://www.mozilla.org/security/advisories/mfsa2026-01/
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0879.json
https://bugzilla.redhat.com/show_bug.cgi?id=2428973
https://bugzilla.mozilla.org/show_bug.cgi?id=2004602
https://access.redhat.com/security/cve/CVE-2026-0879
https://access.redhat.com/errata/RHSA-2026:2286
https://access.redhat.com/errata/RHSA-2026:2271
https://access.redhat.com/errata/RHSA-2026:2231
https://access.redhat.com/errata/RHSA-2026:2220
https://access.redhat.com/errata/RHSA-2026:2074
https://access.redhat.com/errata/RHSA-2026:2073
https://access.redhat.com/errata/RHSA-2026:2070
https://access.redhat.com/errata/RHSA-2026:2069
https://access.redhat.com/errata/RHSA-2026:2047
https://access.redhat.com/errata/RHSA-2026:2044
https://access.redhat.com/errata/RHSA-2026:2043
https://access.redhat.com/errata/RHSA-2026:2041
https://access.redhat.com/errata/RHSA-2026:1487
https://access.redhat.com/errata/RHSA-2026:1471
https://access.redhat.com/errata/RHSA-2026:1462
https://access.redhat.com/errata/RHSA-2026:1461
https://access.redhat.com/errata/RHSA-2026:1415
https://access.redhat.com/errata/RHSA-2026:1414
https://access.redhat.com/errata/RHSA-2026:1413
https://access.redhat.com/errata/RHSA-2026:1320
https://access.redhat.com/errata/RHSA-2026:0924