Security Advisory

CVE-2025-1942

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-03-04 13:31:25

Last updated 2026-04-13 14:30:28

Assigner mozilla

State PUBLISHED

Description

When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string. This vulnerability was fixed in Firefox 136 and Thunderbird 136.

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