Skip to content
Not rated

CVE-2021-38500 Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1

Description

Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

Affected products and versions

Product Affected versions Fixed in
Thunderbird 91.2 earliest → < 91.2 91.2
Thunderbird 78.15 earliest → < 78.15 78.15
Firefox ESR 91.2 earliest → < 91.2 91.2
Firefox ESR 78.15 earliest → < 78.15 78.15
Firefox 93 earliest → < 93 93
The 1713 CVEs of Thunderbird →
Track this CVE