CVE-2026-2794: Vulnerability in Mozilla Firefox
Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148.
AI Analysis
Technical Summary
CVE-2026-2794 is a vulnerability in Mozilla Firefox and Firefox Focus for Android where uninitialized memory can lead to information disclosure. This flaw was addressed and fixed in Firefox 148. The CVSS 3.1 base score is 6.5, with vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, high confidentiality impact, and no integrity or availability impact. The vulnerability is categorized under CWE-908 (Use of Uninitialized Variable).
Potential Impact
Successful exploitation of this vulnerability could result in disclosure of sensitive information from uninitialized memory in Firefox and Firefox Focus for Android. This could compromise user privacy or leak data. There are no reports of active exploitation in the wild. The impact is rated as medium severity with a high confidentiality impact but no integrity or availability impact.
Mitigation Recommendations
Mozilla has released Firefox 148 which includes a fix for this vulnerability. Users and administrators should update affected Firefox and Firefox Focus for Android installations to version 148 or later to remediate this issue. No additional mitigation steps are required beyond applying the official update.
CVE-2026-2794: Vulnerability in Mozilla Firefox
Description
Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-2794 is a vulnerability in Mozilla Firefox and Firefox Focus for Android where uninitialized memory can lead to information disclosure. This flaw was addressed and fixed in Firefox 148. The CVSS 3.1 base score is 6.5, with vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, high confidentiality impact, and no integrity or availability impact. The vulnerability is categorized under CWE-908 (Use of Uninitialized Variable).
Potential Impact
Successful exploitation of this vulnerability could result in disclosure of sensitive information from uninitialized memory in Firefox and Firefox Focus for Android. This could compromise user privacy or leak data. There are no reports of active exploitation in the wild. The impact is rated as medium severity with a high confidentiality impact but no integrity or availability impact.
Mitigation Recommendations
Mozilla has released Firefox 148 which includes a fix for this vulnerability. Users and administrators should update affected Firefox and Firefox Focus for Android installations to version 148 or later 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
- 2026-02-19T15:06:38.903Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 699daf71be58cf853bdde258
Added to database: 2/24/2026, 2:02:25 PM
Last enriched: 4/14/2026, 12:05:39 PM
Last updated: 5/26/2026, 7:55:27 AM
Views: 320
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