CVE-2026-16385: Vulnerability in Mozilla Firefox
Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153.
AI Analysis
Technical Summary
This vulnerability involves information disclosure resulting from uninitialized memory in the Graphics: WebGPU component of Mozilla Firefox. The flaw was addressed and fixed in Firefox 153. The vendor advisory classifies the impact as moderate and provides a fix in the stated version. No further exploitation details or attack vectors are provided.
Potential Impact
The vulnerability could lead to information disclosure by exposing uninitialized memory contents within the WebGPU graphics component. This may allow attackers to access sensitive data unintentionally retained in memory. However, no active exploitation has been reported, and the impact is considered moderate.
Mitigation Recommendations
A fix for this vulnerability is available in Mozilla Firefox version 153. Users and administrators should update to Firefox 153 or later to remediate this issue. No additional mitigation actions are indicated by the vendor advisory.
CVE-2026-16385: Vulnerability in Mozilla Firefox
Description
Information disclosure due to uninitialized memory 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 information disclosure resulting from uninitialized memory in the Graphics: WebGPU component of Mozilla Firefox. The flaw was addressed and fixed in Firefox 153. The vendor advisory classifies the impact as moderate and provides a fix in the stated version. No further exploitation details or attack vectors are provided.
Potential Impact
The vulnerability could lead to information disclosure by exposing uninitialized memory contents within the WebGPU graphics component. This may allow attackers to access sensitive data unintentionally retained in memory. However, no active exploitation has been reported, and the impact is considered moderate.
Mitigation Recommendations
A fix for this vulnerability is available in Mozilla Firefox version 153. Users and administrators should update to Firefox 153 or later to remediate this issue. No additional mitigation actions are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-07-20T21:57:00.454Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/","vendor":"Mozilla"}]
Threat ID: 6a5f6cbe2a4a8d59892625fd
Added to database: 07/21/2026, 12:57:34 UTC
Last enriched: 07/21/2026, 13:28:30 UTC
Last updated: 07/21/2026, 21:19:08 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.