CVE-2025-8044

Memory safety bugs fixed in Firefox 141 and Thunderbird 141

State
Published
Severity
9.8 Critical
Published
Jul 22, 2025
Updated
Apr 13, 2026
Reserved
Jul 22, 2025

Read the record on cve.org

Description

Memory safety bugs present in Firefox 140 and Thunderbird 140. 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 141 and Thunderbird 141.

Scores

CVSSScoreVectorSource
3.19.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCISA-ADP

Weaknesses

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

ProductVersions
FirefoxMozilla
  • 141 and laterNot affected
ThunderbirdMozilla
  • 141 and laterNot affected

References

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