Security Advisory

CVE-2025-1943

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-03-04 13:31:27

Last updated 2026-04-13 14:30:29

Assigner mozilla

State PUBLISHED

Description

Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 was fixed in Firefox 136 and Thunderbird 136.

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