CVE-2026-100799: Vulnerability in Mozilla Firefox
Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 157.
AI Analysis
Technical Summary
This vulnerability involves uninitialized memory usage within the Graphics: WebGPU component of Mozilla Firefox. Uninitialized memory vulnerabilities can potentially lead to information disclosure or other unintended behavior. Mozilla fixed this vulnerability in Firefox 157 as part of a security update that addressed multiple memory safety issues across various components.
Potential Impact
The vulnerability is rated as having moderate impact by Mozilla. Uninitialized memory issues may allow attackers to access sensitive information or cause instability, but no active exploitation in the wild has been reported. The fix in Firefox 157 mitigates the risk.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox 157. Users and administrators should update to Firefox 157 or later to remediate this issue. No additional mitigation actions are required beyond applying the update.
CVE-2026-100799: Vulnerability in Mozilla Firefox
Description
Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 157.
CVSS v3.1
Score 4.3medium
Affected software
Mozilla
Firefox
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves uninitialized memory usage within the Graphics: WebGPU component of Mozilla Firefox. Uninitialized memory vulnerabilities can potentially lead to information disclosure or other unintended behavior. Mozilla fixed this vulnerability in Firefox 157 as part of a security update that addressed multiple memory safety issues across various components.
Potential Impact
The vulnerability is rated as having moderate impact by Mozilla. Uninitialized memory issues may allow attackers to access sensitive information or cause instability, but no active exploitation in the wild has been reported. The fix in Firefox 157 mitigates the risk.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox 157. Users and administrators should update to Firefox 157 or later to remediate this issue. No additional mitigation actions are required beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-26T19:17:40.901Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/","vendor":"Mozilla"}]
Threat ID: 6abbb3f3f7a7c5410664099f
Added to database: 09/29/2026, 12:49:55 UTC
Last enriched: 09/29/2026, 13:18:06 UTC
Last updated: 09/29/2026, 18:20:12 UTC
Views: 6
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