DoS via Audio/Video Playback in Firefox 152 (Mozilla)
CVE-2026-12319 Published on June 16, 2026
Denial-of-service in the Audio/Video: Playback component
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Vulnerability Analysis
CVE-2026-12319 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-12319 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-12319
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Affected Versions
Mozilla Firefox:- Version 152, <= * is unaffected.
- Version 152, <= * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.