Integer Overflow Vulnerability in Firefox Audio/Video Playback Component
CVE-2026-16408

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 21 July 2026

What is CVE-2026-16408?

An integer overflow vulnerability in the Audio/Video playback component of Mozilla's Firefox browser could allow attackers to execute arbitrary code. This issue has been addressed in Firefox version 153, ensuring users are encouraged to update to the latest release to mitigate potential risks.

Affected Version(s)

Firefox 153

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2050477

https://www.mozilla.org/security/advisories/mfsa2026-68/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Jul 21, 2026
Vulnerability Reserved
Jul 20, 2026

Credit

5up3rh3i

CVE-2026-16408 Data

JSON