CVE-2026-2806: Vulnerability in Mozilla Firefox
Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-2806) involves uninitialized memory usage in the Graphics: Text component of Mozilla Firefox. Uninitialized memory can lead to exposure of sensitive information or cause application crashes. The issue was addressed and fixed in Firefox version 148. The CVSS 3.1 base score is 9.1, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality and availability. The vendor advisory explicitly states the fix is included in Firefox 148.
Potential Impact
Successful exploitation of this vulnerability could lead to disclosure of sensitive information and denial of service due to application crashes. The vulnerability does not require user interaction or privileges, making it potentially exploitable remotely. However, there are no known exploits in the wild at this time. The impact is rated critical based on the CVSS score and the nature of the flaw.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox 148. Users and administrators should update to Firefox 148 or later immediately to remediate this issue. No additional mitigation steps are required beyond applying the official update.
CVE-2026-2806: Vulnerability in Mozilla Firefox
Description
Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-2806) involves uninitialized memory usage in the Graphics: Text component of Mozilla Firefox. Uninitialized memory can lead to exposure of sensitive information or cause application crashes. The issue was addressed and fixed in Firefox version 148. The CVSS 3.1 base score is 9.1, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality and availability. The vendor advisory explicitly states the fix is included in Firefox 148.
Potential Impact
Successful exploitation of this vulnerability could lead to disclosure of sensitive information and denial of service due to application crashes. The vulnerability does not require user interaction or privileges, making it potentially exploitable remotely. However, there are no known exploits in the wild at this time. The impact is rated critical based on the CVSS score and the nature of the flaw.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox 148. Users and administrators should update to Firefox 148 or later immediately to remediate this issue. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-02-19T15:07:05.634Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 699daf72be58cf853bdde2bd
Added to database: 2/24/2026, 2:02:26 PM
Last enriched: 4/14/2026, 12:07:18 PM
Last updated: 5/25/2026, 1:01:06 PM
Views: 256
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