CVE-2026-4724 - Vulnerability Analysis

Overview

Firefox < 149 contains an undefined behavior vulnerability in the Audio/Video component, letting attackers potentially cause unpredictable effects, exploit requires no special conditions.

Severity & Score

Impact

Attackers can cause unpredictable behavior potentially leading to crashes or other impacts.

Mitigation

Update to version 149 or later.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2014865
• https://www.mozilla.org/security/advisories/mfsa2026-20/
• https://www.mozilla.org/security/advisories/mfsa2026-23/

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner