CVE-2026-0880

Sandbox escape due to integer overflow in the Graphics component

State
Published
Severity
8.8 High
Published
Jan 13, 2026
Updated
Jul 15, 2026
Reserved
Jan 13, 2026

Read the record on cve.org

Description

Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Scores

CVSSScoreVectorSource
3.18.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCISA-ADP
3.17.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hredhat-SADP

Weaknesses

  • CWE-190 Integer Overflow or Wraparound

Affected Products

ProductVersions
FirefoxMozilla
  • 115.32 through 115.*Not affected
  • 140.7 through 140.*Not affected
  • 147 and laterNot affected
ThunderbirdMozilla
  • 140.7 through 140.*Not affected
  • 147 and laterNot affected

References

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