CVE-2026-16376: Vulnerability in Mozilla Firefox
Denial-of-service in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153.
AI Analysis
Technical Summary
This vulnerability involves a denial-of-service condition in the WebGPU graphics component of Mozilla Firefox. It was publicly disclosed and fixed in Firefox 153. The Mozilla advisory classifies the impact as moderate and provides a patch in the stated fixed version. There is no CVSS score available for this issue. No additional technical details about the exploitation method or root cause are provided in the advisory.
Potential Impact
Successful exploitation of this vulnerability could cause Firefox to crash or become unresponsive, resulting in a denial-of-service condition for the user. There is no indication of data loss, privilege escalation, or code execution associated with this vulnerability. No known active exploitation has been reported.
Mitigation Recommendations
Users should update to Firefox version 153 or later to remediate this vulnerability. The vendor has released an official fix in Firefox 153. Applying this update will mitigate the risk of denial-of-service attacks via the WebGPU component.
CVE-2026-16376: Vulnerability in Mozilla Firefox
Description
Denial-of-service in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153.
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a denial-of-service condition in the WebGPU graphics component of Mozilla Firefox. It was publicly disclosed and fixed in Firefox 153. The Mozilla advisory classifies the impact as moderate and provides a patch in the stated fixed version. There is no CVSS score available for this issue. No additional technical details about the exploitation method or root cause are provided in the advisory.
Potential Impact
Successful exploitation of this vulnerability could cause Firefox to crash or become unresponsive, resulting in a denial-of-service condition for the user. There is no indication of data loss, privilege escalation, or code execution associated with this vulnerability. No known active exploitation has been reported.
Mitigation Recommendations
Users should update to Firefox version 153 or later to remediate this vulnerability. The vendor has released an official fix in Firefox 153. Applying this update will mitigate the risk of denial-of-service attacks via the WebGPU component.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-07-20T21:56:40.610Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/","vendor":"Mozilla"}]
Threat ID: 6a5f6cbc2a4a8d5989262579
Added to database: 07/21/2026, 12:57:32 UTC
Last enriched: 07/21/2026, 13:29:38 UTC
Last updated: 07/21/2026, 21:18:53 UTC
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.