Paper/Archive/CVE-2026-8091

CVE-2026-8091

Mozilla Firefox — Incorrect boundary conditions in the Audio/Video: Playback component

Description · from the CVE record

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

ProductAffectedFixed inSource
Firefoxsee advisory115.35.2CNA
Thunderbirdsee advisory140.10.1CNA
Red Hat Enterprise Linux 10see advisory0:140.10.1-1.el10_2redhat-SADP
Red Hat Enterprise Linux 10see advisory0:140.10.1-1.el10_2redhat-SADP
Red Hat Enterprise Linux 10.0 Extended Update Supportsee advisory0:140.10.1-1.el10_0redhat-SADP
Red Hat Enterprise Linux 10.0 Extended Update Supportsee advisory0:140.10.1-1.el10_0redhat-SADP
Red Hat Enterprise Linux 7 Extended Lifecycle Supportsee advisory0:140.10.1-1.el7_9redhat-SADP
Red Hat Enterprise Linux 8see advisory0:140.10.1-1.el8_10redhat-SADP
Red Hat Enterprise Linux 8see advisory0:140.10.1-1.el8_10redhat-SADP
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportsee advisory0:140.10.1-1.el8_4redhat-SADP
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportsee advisory0:140.10.1-1.el8_4redhat-SADP
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onsee advisory0:140.10.1-1.el8_4redhat-SADP

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
redhat-SADP (CNA)7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbugzilla.mozilla.org/show_bug.cgi?id=2029301refmozilla.org/security/advisories/mfsa2026-30refmozilla.org/security/advisories/mfsa2026-33refmozilla.org/security/advisories/mfsa2026-36refmozilla.org/security/advisories/mfsa2026-39refmozilla.org/security/advisories/mfsa2026-42refaccess.redhat.com/security/cve/CVE-2026-8091refbugzilla.redhat.com/show_bug.cgi?id=2467699refsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8091.jsonadvisoryaccess.redhat.com/errata/RHSA-2026:22708advisoryaccess.redhat.com/errata/RHSA-2026:22408advisoryaccess.redhat.com/errata/RHSA-2026:24719advisoryaccess.redhat.com/errata/RHSA-2026:19157advisoryaccess.redhat.com/errata/RHSA-2026:19153advisoryaccess.redhat.com/errata/RHSA-2026:19588advisoryaccess.redhat.com/errata/RHSA-2026:20586advisoryaccess.redhat.com/errata/RHSA-2026:22712advisoryaccess.redhat.com/errata/RHSA-2026:24718advisoryaccess.redhat.com/errata/RHSA-2026:24345advisoryaccess.redhat.com/errata/RHSA-2026:25014advisoryaccess.redhat.com/errata/RHSA-2026:22847advisoryaccess.redhat.com/errata/RHSA-2026:24717advisoryaccess.redhat.com/errata/RHSA-2026:21743advisoryaccess.redhat.com/errata/RHSA-2026:22410advisoryaccess.redhat.com/errata/RHSA-2026:24844advisoryaccess.redhat.com/errata/RHSA-2026:22324advisoryaccess.redhat.com/errata/RHSA-2026:24846advisoryaccess.redhat.com/errata/RHSA-2026:22409advisoryaccess.redhat.com/errata/RHSA-2026:24721advisoryaccess.redhat.com/errata/RHSA-2026:19370advisoryaccess.redhat.com/errata/RHSA-2026:19348