Boundary Condition Issue in Firefox Web Audio Component
CVE-2026-12292

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 16 June 2026

What is CVE-2026-12292?

A vulnerability exists within the Web Audio component of Firefox, caused by incorrect boundary conditions. This flaw can potentially lead to unexpected behaviors in audio processing. Mozilla addressed this security issue in the latest releases, specifically in Firefox version 152 and Firefox ESR 140.12, ensuring improved stability and security for users.

Affected Version(s)

Firefox 140.12

Firefox 152

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2038465

https://www.mozilla.org/security/advisories/mfsa2026-57/

https://www.mozilla.org/security/advisories/mfsa2026-58/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Jun 16, 2026
Vulnerability Reserved
Jun 15, 2026

Credit

Zijie Zhao

CVE-2026-12292 Data

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