CVE-2025-1942 Affecting firefox package, versions <136.0-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOX-9292415
  • published6 Mar 2025
  • disclosed4 Mar 2025

Introduced: 4 Mar 2025

NewCVE-2025-1942  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox to version 136.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1