Information Disclosure Vulnerability in Firefox by Mozilla
CVE-2026-124930

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 10 November 2026

What is CVE-2026-124930?

This vulnerability within Mozilla Firefox pertains to information disclosure in the Address Bar component. Exploitation may lead to sensitive data visibility which could compromise user privacy. This issue is addressed in the updates provided in Firefox version 160 and Firefox ESR version 153.7, reinforcing security measures while browsing.

Affected Version(s)

Firefox 153.7

Firefox 160

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2082172

https://www.mozilla.org/security/advisories/mfsa2026-125/

https://www.mozilla.org/security/advisories/mfsa2026-127/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Nov 10, 2026
Vulnerability Reserved
Nov 9, 2026

Credit

Takashi Suzuki

CVE-2026-124930 Data

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