firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume th...

CVE-2026-6786

CVE-2026-6786 refers to memory-safety bugs in Mozilla products (Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149, Thunderbird 149) with evidence of memory corruption. The description notes that some bugs could be exploited to run arbitrary code, and the fixes are implemented in Firefox 150, ...

CVE-2026-6753

Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...