Denial-of-Service Vulnerability in Firefox Audio/Video Playback Component
CVE-2026-12319

6.5MEDIUM

Key Information:

Vendor

Mozilla
Status
Firefox
Vendor
CVE Published:
16 June 2026

What is CVE-2026-12319?

A denial-of-service vulnerability exists in the Audio/Video Playback component of Firefox, potentially impacting user experience by disrupting media playback functionality. This can lead to unexpected application behavior, making the application unresponsive. Users are advised to update to Firefox version 152 or later, where this issue has been remediated. For further technical details, please refer to Mozilla's security advisories.

Affected Version(s)

Firefox 152

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2026933
https://www.mozilla.org/security/advisories/mfsa2026-57/

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

jmwebdevelopement
.