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CVE-2026-8091

critical · 9.8

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.

9.8
CVSS
0.5%
EPSS (exploit prob.)
40th
EPSS percentile
2026-05-07
Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-754CWE-805

Affected products

VendorProductAffected versions
mozillafirefox< 115.35.2
mozillafirefox>= 140.0, < 140.10.1
mozillathunderbird>= 140.0, < 140.10.1

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-8091