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 WebGPU graphics component of Mozilla Firefox, which can be triggered to cause a denial-of-service condition. The flaw was identified and resolved in Firefox 150 and Thunderbird 150 releases. The CVSS vector indicates the vulnerability is remotely exploitable without privileges or user interaction, impacting availability but not confidentiality or integrity. The Mozilla advisory lists this issue among multiple security fixes in Firefox 150 and Thunderbird 150.
Potential Impact
Successful exploitation of this vulnerability can cause a denial-of-service (application crash or hang) in Firefox due to integer overflow in the WebGPU component. There is no indication of confidentiality or integrity impact. No known active exploits have been reported in the wild.
Mitigation Recommendations
A fix for this vulnerability is available in Firefox 150 and Thunderbird 150. Users and administrators should update to these versions or later to remediate the issue. The vendor advisory confirms the vulnerability is fixed; no additional mitigation steps are required beyond applying the official update.
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.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer overflow in the WebGPU graphics component of Mozilla Firefox, which can be triggered to cause a denial-of-service condition. The flaw was identified and resolved in Firefox 150 and Thunderbird 150 releases. The CVSS vector indicates the vulnerability is remotely exploitable without privileges or user interaction, impacting availability but not confidentiality or integrity. The Mozilla advisory lists this issue among multiple security fixes in Firefox 150 and Thunderbird 150.
Potential Impact
Successful exploitation of this vulnerability can cause a denial-of-service (application crash or hang) in Firefox due to integer overflow in the WebGPU component. There is no indication of confidentiality or integrity impact. No known active exploits have been reported in the wild.
Mitigation Recommendations
A fix for this vulnerability is available in Firefox 150 and Thunderbird 150. Users and administrators should update to these versions or later to remediate the issue. The vendor advisory confirms the vulnerability is fixed; no additional mitigation steps are required beyond applying the official update.
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: 5/27/2026, 8:00:05 PM
Last updated: 6/5/2026, 9:22:35 PM
Views: 87
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