Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers reported memory safety bugs in Firefox 90 and Firefox ESR 78.12. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability affects Thunderbird...

Mozilla: Use-after-free media channels

A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...

Mozilla: Memory safety bugs fixed in Thunderbird 78.13

Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. 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. This vulnerability affects Thunderbird 78.13,...

Mozilla: Use-after-free media channels

A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...

Mozilla: Race condition when resolving DNS names could have led to memory corruption

A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. Note: This issue only affected Linux operating systems. Other operating systems are unaffected. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and...