Firefox EUVD-2026-24122

| CVE-2026-6781 HIGH
Uncontrolled Resource Consumption (CWE-400)
2026-04-21 mozilla GHSA-68p2-8vqp-fwx7
Denial Of Service Mozilla
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Analysis Updated
Apr 22, 2026 - 00:32 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Apr 22, 2026 - 00:22 vuln.today
cvss_changed
Analysis Generated
Apr 21, 2026 - 18:24 vuln.today
CVSS changed
Apr 21, 2026 - 18:22 NVD
7.5 (HIGH)

DescriptionNVD

Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150.

AnalysisAI

Denial-of-service in Firefox versions prior to 150 allows remote attackers to crash the browser via malformed audio/video content during playback. The vulnerability requires no authentication and minimal attack complexity (CVSS 7.5, AV:N/AC:L/PR:N/UI:N), enabling attackers to render the browser unresponsive or terminated through crafted media files. …

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RemediationAI

Within 24 hours: Identify all Firefox installations across the organization and document current versions via endpoint management tools. Within 7 days: Deploy Firefox 150 to all systems using your organization's patch management process (WSUS, Intune, MDM, or manual distribution). …

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EUVD-2026-24122 vulnerability details – vuln.today
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