CVE - CVE-2025-6425

CVE-ID
CVE-2025-6425	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, and Firefox ESR < 128.12.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://bugzilla.mozilla.org/show_bug.cgi?id=1717672 URL:https://bugzilla.mozilla.org/show_bug.cgi?id=1717672 MISC:https://www.mozilla.org/security/advisories/mfsa2025-51/ URL:https://www.mozilla.org/security/advisories/mfsa2025-51/ MISC:https://www.mozilla.org/security/advisories/mfsa2025-52/ URL:https://www.mozilla.org/security/advisories/mfsa2025-52/ MISC:https://www.mozilla.org/security/advisories/mfsa2025-53/ URL:https://www.mozilla.org/security/advisories/mfsa2025-53/
Assigning CNA
Mozilla Corporation
Date Record Created
20250620	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250620)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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