VULNERABILITY INTELLIGENCE

CVE-2026-8091

CVSS score9.8 CRITICAL
EPSS probability0.47%
CISA KEVNot currently listed
Published2026-05-07
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.

Weakness classification

  • CWE-754: Improper Check for Unusual or Exceptional Conditions
  • CWE-805: Buffer Access with Incorrect Length Value

Primary references