CVE Vulnerabilities

CVE-2025-4921

Published: May 17, 2025 | Modified: May 17, 2025

CVSS 3.x

N/A

Source:

NVD

CVSS 2.x

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2025-4921
CWE	https://cwe.mitre.org/data/definitions/.html

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability affects Firefox < 138.0.4 and Firefox ESR < 128.10.1.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1966614
https://www.mozilla.org/security/advisories/mfsa2025-36/
https://www.mozilla.org/security/advisories/mfsa2025-37/

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