CVE-2025-4918
Severity CVSS v4.0:
Pending analysis
Type:
CWE-125
Out-of-bounds Read
Publication date:
17/05/2025
Last modified:
28/05/2025
Description
An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability affects Firefox
Impact
Base Score 3.x
7.50
Severity 3.x
HIGH
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* | 115.23.1 (excluding) | |
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* | 138.0.4 (excluding) | |
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* | 116.0 (including) | 128.10.1 (excluding) |
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | 128.10.2 (excluding) | |
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* | 138.0 (including) | 138.0.2 (excluding) |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://bugzilla.mozilla.org/show_bug.cgi?id=1966612
- https://www.mozilla.org/security/advisories/mfsa2025-36/
- https://www.mozilla.org/security/advisories/mfsa2025-37/
- https://www.mozilla.org/security/advisories/mfsa2025-38/
- https://www.mozilla.org/security/advisories/mfsa2025-40/
- https://www.mozilla.org/security/advisories/mfsa2025-41/
- https://www.vicarius.io/vsociety/posts/cve-2025-4918-detect-firefox-out-of-bounds-write
- https://www.vicarius.io/vsociety/posts/cve-2025-4918-mitigate-firefox-out-of-bounds-write