CVE-2025-13012 — Race Condition in Mozilla Firefox

CWE-362 — Race ConditionCWE-366 — Race Condition within a Thread12 documents8 sources
Severity
7.5HIGHNVD
EPSS
0.0%
top 90.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla ThunderbirdMozilla Firefox
Timeline
PublishedNov 11
Latest updateFeb 2

Description

Race condition in the Graphics 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:H/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.6 | 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-ghxv-675w-53v8: Race condition in the Graphics component↗2025-11-11
▶
OSV
CVE-2025-13012: Race condition in the Graphics component↗2025-11-11
▶
CVEList
Race condition in the Graphics component↗2025-11-11
▶

📋Vendor Advisories

8
Ubuntu
Thunderbird vulnerabilities↗2026-02-02
▶
Red Hat
firefox: thunderbird: Race condition in the Graphics component↗2025-11-11
▶
Debian
CVE-2025-13012: firefox - Race condition in the Graphics component. This vulnerability affects Firefox < 1...↗2025
▶
Mozilla
Mozilla Foundation Security Advisory 2025-90: CVE-2025-13012↗
▶
Mozilla
Mozilla Foundation Security Advisory 2025-89: CVE-2025-13012↗
▶
CVE-2025-13012 — Race Condition in Mozilla Firefox | cvebase