CVE-2026-100806: Vulnerability in Mozilla Firefox
Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
AI Analysis
Technical Summary
This vulnerability involves uninitialized memory usage within the Graphics: WebGPU component of Mozilla Firefox. Uninitialized memory can lead to unpredictable behavior, including potential information disclosure or memory corruption. Mozilla fixed this issue in Firefox ESR 153.4 and Firefox 157 as part of a broader security update addressing multiple high-impact vulnerabilities.
Potential Impact
The vulnerability is classified as high impact due to the potential risks associated with uninitialized memory in a critical graphics component. While no active exploitation has been reported, the flaw could be leveraged to compromise the security or stability of the browser.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox ESR 153.4 and Firefox 157. Users and administrators should update to these versions or later to mitigate the risk. No additional mitigation steps are required beyond applying the official patches.
CVE-2026-100806: Vulnerability in Mozilla Firefox
Description
Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox ESR 153.4 and 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 can lead to unpredictable behavior, including potential information disclosure or memory corruption. Mozilla fixed this issue in Firefox ESR 153.4 and Firefox 157 as part of a broader security update addressing multiple high-impact vulnerabilities.
Potential Impact
The vulnerability is classified as high impact due to the potential risks associated with uninitialized memory in a critical graphics component. While no active exploitation has been reported, the flaw could be leveraged to compromise the security or stability of the browser.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox ESR 153.4 and Firefox 157. Users and administrators should update to these versions or later to mitigate the risk. No additional mitigation steps are required beyond applying the official patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-26T19:17:58.785Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-100/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/","vendor":"Mozilla"}]
Threat ID: 6abbb3f5f7a7c541066409ad
Added to database: 09/29/2026, 12:49:57 UTC
Last enriched: 09/29/2026, 13:17:41 UTC
Last updated: 09/29/2026, 18:20:12 UTC
Views: 7
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