CVE-2026-16386: 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
CVE-2026-16386 is a vulnerability in the Graphics: WebGPU component of Mozilla Firefox that results in information disclosure due to uninitialized memory. This flaw was addressed and fixed in Firefox 153 as part of a security update that resolved multiple high and moderate impact vulnerabilities. The vendor advisory confirms the fix and recommends updating to Firefox 153 to remediate the issue.
Potential Impact
The vulnerability allows information disclosure through uninitialized memory in the WebGPU graphics component, which may expose sensitive data to an attacker. The impact is considered moderate according to the vendor advisory.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox version 153. Users and administrators should update to Firefox 153 or later to remediate this issue. No additional mitigation actions are required beyond applying the official update.
CVE-2026-16386: 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
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16386 is a vulnerability in the Graphics: WebGPU component of Mozilla Firefox that results in information disclosure due to uninitialized memory. This flaw was addressed and fixed in Firefox 153 as part of a security update that resolved multiple high and moderate impact vulnerabilities. The vendor advisory confirms the fix and recommends updating to Firefox 153 to remediate the issue.
Potential Impact
The vulnerability allows information disclosure through uninitialized memory in the WebGPU graphics component, which may expose sensitive data to an attacker. The impact is considered moderate according to the vendor advisory.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox version 153. Users and administrators should update to Firefox 153 or later to remediate this issue. No additional mitigation actions are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-07-20T21:57:02.260Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/","vendor":"Mozilla"}]
Threat ID: 6a5f6cbe2a4a8d5989262601
Added to database: 07/21/2026, 12:57:34 UTC
Last enriched: 07/21/2026, 13:28:25 UTC
Last updated: 07/21/2026, 21:19:08 UTC
Views: 4
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