Uninitialized memory in the Graphics: WebGPU component. (CVE-2026-100802)
CVE-2026-100802 is an uninitialized memory vulnerability in the Graphics: WebGPU component of Firefox. This issue was addressed and fixed in Firefox version 157. The vulnerability has a medium severity rating with a CVSS score of 4.3 and does not impact confidentiality or integrity but may affect availability. No known exploits are reported in the wild.
AI Analysis
Technical Summary
This vulnerability involves uninitialized memory usage in the Graphics: WebGPU component of Firefox. Uninitialized memory can lead to unpredictable behavior, including potential application crashes or denial of service. The issue was resolved by Mozilla in Firefox 157 as part of a broader set of security fixes. The CVSS 3.1 vector indicates the attack requires network access, no privileges, and user interaction, with low complexity and no impact on confidentiality or integrity, only availability.
Potential Impact
The vulnerability may cause denial of service or application instability due to uninitialized memory usage. There is no impact on confidentiality or integrity according to the CVSS vector. No active exploitation has been reported.
Mitigation Recommendations
Users should update to Firefox version 157 or later to remediate this vulnerability. Mozilla has officially fixed this issue in Firefox 157. No additional mitigation actions are required beyond applying this update.
Uninitialized memory in the Graphics: WebGPU component. (CVE-2026-100802)
Description
CVE-2026-100802 is an uninitialized memory vulnerability in the Graphics: WebGPU component of Firefox. This issue was addressed and fixed in Firefox version 157. The vulnerability has a medium severity rating with a CVSS score of 4.3 and does not impact confidentiality or integrity but may affect availability. No known exploits are reported in the wild.
CVSS v3.1
Score 4.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves uninitialized memory usage in the Graphics: WebGPU component of Firefox. Uninitialized memory can lead to unpredictable behavior, including potential application crashes or denial of service. The issue was resolved by Mozilla in Firefox 157 as part of a broader set of security fixes. The CVSS 3.1 vector indicates the attack requires network access, no privileges, and user interaction, with low complexity and no impact on confidentiality or integrity, only availability.
Potential Impact
The vulnerability may cause denial of service or application instability due to uninitialized memory usage. There is no impact on confidentiality or integrity according to the CVSS vector. No active exploitation has been reported.
Mitigation Recommendations
Users should update to Firefox version 157 or later to remediate this vulnerability. Mozilla has officially fixed this issue in Firefox 157. No additional mitigation actions are required beyond applying this update.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-vx8q-w997-69pr
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-100802"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abc27c7680226ef6846f83a
Added to database: 09/29/2026, 21:04:07 UTC
Last enriched: 09/29/2026, 21:20:21 UTC
Last updated: 09/30/2026, 03:38:51 UTC
Views: 5
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