firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.38, Firefox ESR 140.13 and Firefox 153

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of...

CVE-2026-8959

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

DEBIAN-CVE-2019-11761

By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms. This vulnerability affects Firefox 70,...

PT-2016-1276 · Mozilla +5 · Firefox Esr +7

Name of the Vulnerable Software and Affected Versions: Graphite 2 version 1.2.4 Mozilla Firefox versions prior to 43.0 Firefox ESR versions prior to 38.6.1 Description: The issue is related to the directrun function in directmachine.cpp, which does not validate a certain skip operation. This allo...