CVE-2026-100802: 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 lead to unpredictable behavior and potential information disclosure. Mozilla fixed this vulnerability in Firefox 157 as part of a broader security update addressing multiple high and moderate impact issues. The vendor advisory explicitly states the fix is included in Firefox 157.
Potential Impact
The vulnerability has a moderate impact rating according to the Mozilla advisory. Uninitialized memory issues can potentially lead to information disclosure or other unintended behavior, but no active exploitation has been reported. The fix mitigates the risk by properly initializing memory in the affected component.
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 steps are required beyond applying the update.
CVE-2026-100802: 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 lead to unpredictable behavior and potential information disclosure. Mozilla fixed this vulnerability in Firefox 157 as part of a broader security update addressing multiple high and moderate impact issues. The vendor advisory explicitly states the fix is included in Firefox 157.
Potential Impact
The vulnerability has a moderate impact rating according to the Mozilla advisory. Uninitialized memory issues can potentially lead to information disclosure or other unintended behavior, but no active exploitation has been reported. The fix mitigates the risk by properly initializing memory in the affected component.
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 steps are required beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-26T19:17:48.744Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/","vendor":"Mozilla"}]
Threat ID: 6abbb3f3f7a7c541066409a2
Added to database: 09/29/2026, 12:49:55 UTC
Last enriched: 09/29/2026, 13:17:55 UTC
Last updated: 09/29/2026, 18:20:12 UTC
Views: 9
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