CVE-2025-1942 The advisory has been revoked - it doesn't affect any version of package thunderbird  (opens in a new tab)


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EPSS
0.1% (29th percentile)

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  • Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-9295770
  • published6 Mar 2025
  • disclosed4 Mar 2025

Introduced: 4 Mar 2025

CVE-2025-1942  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Ubuntu.

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