CVE-2026-8091

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.

References

https://www.mozilla.org/security/advisories/mfsa2026-42/

https://www.mozilla.org/security/advisories/mfsa2026-39/

https://www.mozilla.org/security/advisories/mfsa2026-36/

https://www.mozilla.org/security/advisories/mfsa2026-33/

https://www.mozilla.org/security/advisories/mfsa2026-30/

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8091.json

https://bugzilla.redhat.com/show_bug.cgi?id=2467699

https://bugzilla.mozilla.org/show_bug.cgi?id=2029301

https://access.redhat.com/security/cve/CVE-2026-8091

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS