CVE-2026-7320
7.5
HIGH
CVSS 3.1
EPSS 0.05%
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.
How to fix CVE-2026-7320
To remediate CVE-2026-7320, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 140.10.1esr-1~deb11u1 or later
- —upgrade to 1:140.10.1esr-1~deb11u1 or later
Is CVE-2026-7320 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 140.10.1esr-1~deb11u1
- from 0, < 1:140.10.1esr-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |