Critical severity9.8NVD Advisory· Published May 7, 2026· Updated Aug 11, 2026
CVE-2026-8091
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*range: <115.35.2
- (no CPE)range: >=150
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*range: >=140.0,<140.10.1
- (no CPE)range: >=150
- osv-coords4 versionspkg:apk/chainguard/firefoxpkg:apk/chainguard/firefox-esrpkg:apk/wolfi/firefoxpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed
< 140.10.1-r0+ 3 more
- (no CPE)range: < 140.10.1-r0
- (no CPE)range: < 140.10.1-r0
- (no CPE)range: < 140.10.1-r0
- (no CPE)range: < 140.10.2-1.1
Patches
Vulnerability mechanics
References
31- www.mozilla.org/security/advisories/mfsa2026-30/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-33/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-36/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-39/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-42/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdPermissions Required
- access.redhat.com/errata/RHSA-2026:19153nvd
- access.redhat.com/errata/RHSA-2026:19157nvd
- access.redhat.com/errata/RHSA-2026:19348nvd
- access.redhat.com/errata/RHSA-2026:19370nvd
- access.redhat.com/errata/RHSA-2026:19588nvd
- access.redhat.com/errata/RHSA-2026:20586nvd
- access.redhat.com/errata/RHSA-2026:21743nvd
- access.redhat.com/errata/RHSA-2026:22324nvd
- access.redhat.com/errata/RHSA-2026:22408nvd
- access.redhat.com/errata/RHSA-2026:22409nvd
- access.redhat.com/errata/RHSA-2026:22410nvd
- access.redhat.com/errata/RHSA-2026:22708nvd
- access.redhat.com/errata/RHSA-2026:22712nvd
- access.redhat.com/errata/RHSA-2026:22847nvd
- access.redhat.com/errata/RHSA-2026:24345nvd
- access.redhat.com/errata/RHSA-2026:24717nvd
- access.redhat.com/errata/RHSA-2026:24718nvd
- access.redhat.com/errata/RHSA-2026:24719nvd
- access.redhat.com/errata/RHSA-2026:24721nvd
- access.redhat.com/errata/RHSA-2026:24844nvd
- access.redhat.com/errata/RHSA-2026:24846nvd
- access.redhat.com/errata/RHSA-2026:25014nvd
- access.redhat.com/security/cve/CVE-2026-8091nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8091.jsonnvd
News mentions
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