Riskcovery

CVE-2025-4093

Memory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.10

State
Published
Severity
8.1 High
Published
Apr 29, 2025
Updated
Apr 13, 2026
Reserved
Apr 29, 2025

Read the record on cve.org

Description

Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.10 and Thunderbird 128.10.

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
  • 128.10 and laterNot affected
ThunderbirdMozilla
  • 128.10 and laterNot affected

References

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