CVE-2025-13014 — Use After Free in Mozilla Firefox

CWE-416 — Use After FreeCWE-825 — Expired Pointer Dereference12 documents8 sources
Severity
8.8HIGHNVD
EPSS
0.0%
top 86.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla ThunderbirdMozilla Firefox
Timeline
PublishedNov 11
Latest updateFeb 2

Description

Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

▶NVDmozilla/firefox140.0 — 140.5.0+2
▶Debianmozilla/thunderbird< 1:140.5.0esr-1~deb11u1+3

🔴Vulnerability Details

3
GHSA
GHSA-8q64-5xmq-2f45: Use-after-free in the Audio/Video component↗2025-11-11
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OSV
CVE-2025-13014: Use-after-free in the Audio/Video component↗2025-11-11
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CVEList
Use-after-free in the Audio/Video component↗2025-11-11
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📋Vendor Advisories

8
Ubuntu
Thunderbird vulnerabilities↗2026-02-02
▶
Red Hat
firefox: thunderbird: Use-after-free in the Audio/Video component↗2025-11-11
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Debian
CVE-2025-13014: firefox - Use-after-free in the Audio/Video component. This vulnerability affects Firefox ...↗2025
▶
Mozilla
Mozilla Foundation Security Advisory 2025-88: CVE-2025-13014↗
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Mozilla
Mozilla Foundation Security Advisory 2025-90: CVE-2025-13014↗
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CVE-2025-13014 — Use After Free in Mozilla Firefox | cvebase