Riskcovery

CVE-2025-13027

Memory safety bugs fixed in Firefox 145 and Thunderbird 145

State
Published
Severity
8.1 High
Published
Nov 11, 2025
Updated
Apr 13, 2026
Reserved
Nov 11, 2025

Read the record on cve.org

Description

Memory safety bugs present in Firefox 144 and Thunderbird 144. 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 145 and Thunderbird 145.

Scores

CVSSScoreVectorSource
3.18.1 HighCVSS:3.1/AV:N/AC:H/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
  • 145 and laterNot affected
ThunderbirdMozilla
  • 145 and laterNot affected

References

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