CVE-2025-13021 — Improper Check or Handling of Exceptional Conditions in Mozilla Firefox

CWE-703 — Improper Check or Handling of Exceptional ConditionsCWE-787 — Out-of-bounds Write8 documents7 sources
Severity
9.8CRITICALNVD
EPSS
0.1%
top 84.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedNov 11

Description

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

▶NVDmozilla/firefox< 145.0

🔴Vulnerability Details

3
OSV
CVE-2025-13021: Incorrect boundary conditions in the Graphics: WebGPU component↗2025-11-11
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CVEList
Incorrect boundary conditions in the Graphics: WebGPU component↗2025-11-11
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GHSA
GHSA-75p5-w5j4-v8qj: Incorrect boundary conditions in the Graphics: WebGPU component↗2025-11-11
▶

📋Vendor Advisories

4
Red Hat
firefox: Incorrect boundary conditions in the Graphics: WebGPU component↗2025-11-11
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Debian
CVE-2025-13021: firefox - Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerabil...↗2025
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Mozilla
Mozilla Foundation Security Advisory 2025-87: CVE-2025-13021↗
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Mozilla
Mozilla Foundation Security Advisory 2025-90: CVE-2025-13021↗
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CVE-2025-13021 — Mozilla Firefox vulnerability | cvebase