Information Disclosure in Firefox and Firefox Focus for Android
CVE-2026-2794

6.5MEDIUM

Key Information:

Vendor

Mozilla
Status
Firefox
Vendor
CVE Published:
24 February 2026

What is CVE-2026-2794?

An information disclosure vulnerability has been identified in Firefox and Firefox Focus for Android due to uninitialized memory access. This flaw allows attackers to exploit sensitive information related to user sessions and browsing activities under specific conditions. The vulnerability affects versions of Firefox below 148, highlighting the importance of updating to maintain user privacy and security.

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Deploy the Patch

Affected Version(s)

Firefox < 148

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2008365
https://www.mozilla.org/security/advisories/mfsa2026-13/

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

stevej
JSON
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