CVE-2026-2447

Heap buffer overflow in libvpx

State
Published
Severity
8.8 High
Published
Feb 16, 2026
Updated
Jul 15, 2026
Reserved
Feb 13, 2026

Read the record on cve.org

Description

Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.

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

Affected Products

ProductVersions
FirefoxMozilla
  • 115.32.1 through 115.*Not affected
  • 140.7.1 through 140.*Not affected
  • 147.0.4 and laterNot affected
ThunderbirdMozilla
  • 140.7.2 through 140.*Not affected
  • 147.0.2 and laterNot affected

References

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