CVE-2026-6780: Vulnerability in Mozilla Firefox
CVE-2026-6780 is a denial-of-service vulnerability in the Audio/Video Playback component of Mozilla Firefox. This issue was addressed and fixed in Firefox version 150. The vulnerability could cause the browser to become unresponsive or crash when processing certain audio/video playback operations. No known exploits in the wild have been reported. The vendor advisory confirms the fix is included in Firefox 150.
AI Analysis
Technical Summary
This vulnerability involves a denial-of-service condition within the Audio/Video Playback component of Mozilla Firefox. It was identified and resolved by Mozilla in Firefox 150. The issue could allow an attacker to disrupt normal browser operation by causing it to crash or hang during audio/video playback. The vendor advisory from Mozilla explicitly states that the vulnerability is fixed in Firefox 150, indicating an official patch is available.
Potential Impact
The impact of this vulnerability is limited to denial-of-service, potentially causing Firefox to crash or become unresponsive during audio/video playback. There is no indication of code execution, privilege escalation, or information disclosure associated with this vulnerability. No known exploitation in the wild has been reported.
Mitigation Recommendations
Users and administrators should update Mozilla Firefox to version 150 or later to remediate this vulnerability. The vendor advisory confirms that the issue is fixed in Firefox 150, representing an official fix. No additional mitigation actions are required beyond applying this update.
CVE-2026-6780: Vulnerability in Mozilla Firefox
Description
CVE-2026-6780 is a denial-of-service vulnerability in the Audio/Video Playback component of Mozilla Firefox. This issue was addressed and fixed in Firefox version 150. The vulnerability could cause the browser to become unresponsive or crash when processing certain audio/video playback operations. No known exploits in the wild have been reported. The vendor advisory confirms the fix is included in Firefox 150.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a denial-of-service condition within the Audio/Video Playback component of Mozilla Firefox. It was identified and resolved by Mozilla in Firefox 150. The issue could allow an attacker to disrupt normal browser operation by causing it to crash or hang during audio/video playback. The vendor advisory from Mozilla explicitly states that the vulnerability is fixed in Firefox 150, indicating an official patch is available.
Potential Impact
The impact of this vulnerability is limited to denial-of-service, potentially causing Firefox to crash or become unresponsive during audio/video playback. There is no indication of code execution, privilege escalation, or information disclosure associated with this vulnerability. No known exploitation in the wild has been reported.
Mitigation Recommendations
Users and administrators should update Mozilla Firefox to version 150 or later to remediate this vulnerability. The vendor advisory confirms that the issue is fixed in Firefox 150, representing an official fix. No additional mitigation actions are required beyond applying this update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-21T12:41:10.075Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-30/","vendor":"Mozilla"}]
Threat ID: 69e778a219fe3cd2cdd1661d
Added to database: 4/21/2026, 1:16:18 PM
Last enriched: 4/21/2026, 1:31:46 PM
Last updated: 4/21/2026, 3:44:10 PM
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.