SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2026:1273-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1273-1 advisory. - Update to 149.0.2 and 140.9.1esr bsc1261663. - CVE-2026-5731: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1,...

CVE-2026-5731

Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

CVE-2026-5735

CVE-2026-5735 affects Mozilla Firefox and Thunderbird 149.0.1, with memory safety bugs that can cause memory corruption and, per sources, could be exploited to run arbitrary code. Affected components are within Firefox/Thunderbird rendering and memory management; the issue has been fixed in Firef...

CVE-2026-5732 Incorrect boundary conditions, integer overflow in the Graphics: Text component

Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1...