Use-After-Free Vulnerability in Mozilla Products
CVE-2022-26486

9.6CRITICAL

Key Information:

Vendor
Mozilla
Status
Firefox
Firefox Esr
Firefox For Android
Thunderbird
Vendor
CVE Published:
22 December 2022

Badges

👾 Exploit Exists🦅 CISA Reported

Summary

A flaw within the WebGPU IPC framework in Mozilla products can cause unexpected message handling leading to a use-after-free situation. This vulnerability has been reported to result in exploitable sandbox escapes, raising concerns as it potentially allows attackers to execute malicious code outside the intended security boundaries. Users of affected versions of Firefox, Thunderbird, and other Mozilla products should update to the latest versions to mitigate this risk.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Firefox < 97.0.2

Firefox ESR < 91.6.1

Firefox for Android < 97.3.0

References

https://www.mozilla.org/security/advisories/mfsa2022-09/
https://bugzilla.mozilla.org/show_bug.cgi?id=1758070

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability Reserved

.