CVE-2026-6773: Vulnerability in Mozilla Firefox
Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
AI Analysis
Technical Summary
This vulnerability involves an integer overflow in the Graphics: WebGPU component of Mozilla Firefox, which can lead to a denial-of-service condition. The flaw was identified and fixed in Firefox 150 as part of a broader security update that addressed multiple vulnerabilities. The Mozilla advisory classifies the impact of this specific vulnerability as low. No CVSS score is provided, and no known active exploitation has been reported.
Potential Impact
The vulnerability allows an attacker to cause a denial-of-service condition in Firefox by triggering an integer overflow in the WebGPU graphics component. According to the vendor advisory, the impact is low, and there are no known exploits in the wild targeting this vulnerability.
Mitigation Recommendations
A fix for this vulnerability is available in Firefox 150. Users and administrators should update to Firefox 150 or later to remediate this issue. Since this is a client-side application vulnerability, applying the official update is the recommended and effective mitigation.
CVE-2026-6773: Vulnerability in Mozilla Firefox
Description
Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer overflow in the Graphics: WebGPU component of Mozilla Firefox, which can lead to a denial-of-service condition. The flaw was identified and fixed in Firefox 150 as part of a broader security update that addressed multiple vulnerabilities. The Mozilla advisory classifies the impact of this specific vulnerability as low. No CVSS score is provided, and no known active exploitation has been reported.
Potential Impact
The vulnerability allows an attacker to cause a denial-of-service condition in Firefox by triggering an integer overflow in the WebGPU graphics component. According to the vendor advisory, the impact is low, and there are no known exploits in the wild targeting this vulnerability.
Mitigation Recommendations
A fix for this vulnerability is available in Firefox 150. Users and administrators should update to Firefox 150 or later to remediate this issue. Since this is a client-side application vulnerability, applying the official update is the recommended and effective mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-21T12:41:04.962Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-30/","vendor":"Mozilla"}]
Threat ID: 69e7789e19fe3cd2cdd164c6
Added to database: 4/21/2026, 1:16:14 PM
Last enriched: 4/21/2026, 1:32:30 PM
Last updated: 4/22/2026, 7:11:25 AM
Views: 14
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.