Uninitialized memory in the Graphics: WebGPU component. (CVE-2026-100806)
CVE-2026-100806 is a medium severity vulnerability involving uninitialized memory in the Graphics: WebGPU component of Firefox. This issue was addressed and fixed in Firefox ESR 153.4 and Firefox 157. The vulnerability does not impact confidentiality or integrity but may affect availability. No known exploits are reported in the wild.
AI Analysis
Technical Summary
This vulnerability concerns uninitialized memory usage within the Graphics: WebGPU component of Firefox. Uninitialized memory can lead to unpredictable behavior or crashes. Mozilla fixed this issue in Firefox ESR 153.4 and Firefox 157. The CVSS score is 4.3, indicating a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to availability.
Potential Impact
The vulnerability does not compromise confidentiality or integrity but may cause availability issues such as crashes or denial of service in affected Firefox versions. There are no known exploits in the wild targeting this vulnerability.
Mitigation Recommendations
Users should update to Firefox ESR 153.4 or Firefox 157 or later to remediate this vulnerability. The vendor has issued an official fix. No additional mitigation steps are required beyond applying the update.
Uninitialized memory in the Graphics: WebGPU component. (CVE-2026-100806)
Description
CVE-2026-100806 is a medium severity vulnerability involving uninitialized memory in the Graphics: WebGPU component of Firefox. This issue was addressed and fixed in Firefox ESR 153.4 and Firefox 157. The vulnerability does not impact confidentiality or integrity but may affect availability. No known exploits are reported in the wild.
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability concerns uninitialized memory usage within the Graphics: WebGPU component of Firefox. Uninitialized memory can lead to unpredictable behavior or crashes. Mozilla fixed this issue in Firefox ESR 153.4 and Firefox 157. The CVSS score is 4.3, indicating a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to availability.
Potential Impact
The vulnerability does not compromise confidentiality or integrity but may cause availability issues such as crashes or denial of service in affected Firefox versions. There are no known exploits in the wild targeting this vulnerability.
Mitigation Recommendations
Users should update to Firefox ESR 153.4 or Firefox 157 or later to remediate this vulnerability. The vendor has issued an official fix. No additional mitigation steps are required beyond applying the update.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3pqh-hh73-fq7v
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-100806"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abc27c9680226ef6846f841
Added to database: 09/29/2026, 21:04:09 UTC
Last enriched: 09/29/2026, 21:20:31 UTC
Last updated: 09/30/2026, 03:38:52 UTC
Views: 6
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