Description
Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.
Affected products
mozilla: firefox; mozilla: thunderbird
References10
- www.mozilla.org/security/advisories/mfsa2026-35/ Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-36/ Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-37/ Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-38/ Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-39/ Vendor Advisory
- bugzilla.mozilla.org/show_bug.cgi?id=2027433 Permissions Required
- access.redhat.com/errata/RHSA-2026:19153
- access.redhat.com/errata/RHSA-2026:19157
- access.redhat.com/errata/RHSA-2026:19348
- access.redhat.com/errata/RHSA-2026:19370
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 0% percentile: 26 · as of 13 November 2026
- CWE
- CWE-119CWE-125
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