CVE-2026-2794
Modified Modified - Updated After Analysis

Information Disclosure via Uninitialized Memory in Firefox

Publication date: 2026-02-24

Last updated on: 2026-06-30

Assigner: Mozilla Corporation

Description
Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148.

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Meta Information

Published
2026-02-24
Last Modified
2026-06-30
Generated
2026-07-06
AI Q&A
2026-02-24
EPSS Evaluated
2026-07-05
NVD
CVE-2026-2794
EUVD
EUVD-2026-8447

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox to 148.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-908 The product uses or accesses a resource that has not been initialized.

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Executive Summary

This vulnerability is an information disclosure issue caused by uninitialized memory in Firefox and Firefox Focus for Android. It affects versions of Firefox earlier than 148.

Impact Analysis

The vulnerability can lead to unintended exposure of sensitive information because uninitialized memory may contain residual data. Attackers could potentially access this information, compromising user privacy and security.

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