CVE-2026-2806
Received Received - Intake

Uninitialized Memory Exposure in Firefox Graphics Text Component

Publication date: 2026-02-24

Last updated on: 2026-04-13

Assigner: Mozilla Corporation

Description
Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

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Meta Information

Published
2026-02-24
Last Modified
2026-04-13
Generated
2026-07-06
AI Q&A
2026-02-24
EPSS Evaluated
2026-07-04
NVD
CVE-2026-2806
EUVD
EUVD-2026-8459

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 148.0 (exc)
mozilla thunderbird to 148.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-457 The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
CWE-908 The product uses or accesses a resource that has not been initialized.

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Executive Summary

This vulnerability involves uninitialized memory in the Graphics: Text component of Firefox versions earlier than 148. Uninitialized memory means that the software may use memory that has not been properly set up, which can lead to unpredictable behavior or potential security issues.

Impact Analysis

Exploitation of uninitialized memory can potentially lead to information disclosure, crashes, or other unexpected behavior in Firefox. This could affect the stability and security of the browser, possibly exposing sensitive data or allowing attackers to execute further attacks.

Compliance Impact

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