CVE-2026-8091
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Firefox | 115.35.2 <= 115.* | unaffected |
| Mozilla | Firefox | 140.10.1 <= 140.* | unaffected |
| Mozilla | Firefox | 150 <= * | unaffected |
| Mozilla | Thunderbird | 140.10.1 <= 140.* | unaffected |
| Mozilla | Thunderbird | 150 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Playback component
Additional References
- https://access.redhat.com/security/cve/CVE-2026-8091
- https://bugzilla.redhat.com/show_bug.cgi?id=2467699
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8091.json
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2029301
- https://www.mozilla.org/security/advisories/mfsa2026-30/
- https://www.mozilla.org/security/advisories/mfsa2026-33/
- https://www.mozilla.org/security/advisories/mfsa2026-36/
- https://www.mozilla.org/security/advisories/mfsa2026-39/
- https://www.mozilla.org/security/advisories/mfsa2026-42/
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