CVE-2026-2806: Uninitialized memory in the Graphics: Text component

Published Feb 24, 2026
·
Updated

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

Affected Software

4 affected componentsFixes available
Mozilla Firefox<148
148
Mozilla Thunderbird<148
148
Mozilla Firefox<148.0
Mozilla Thunderbird<148.0

Event History

Feb 24, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Updated
via Mozilla·12:00 AM
Affected Software
CVE Published
via MITRE·01:33 PM
Data Sourced
via MITRE·01:33 PM
Description
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeaknessAffected Software
Jan 4, 58137
Event
via FIRST·07:25 PM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-2806?

CVE-2026-2806 is categorized as a moderate severity vulnerability affecting Firefox versions prior to 148.

2

How do I fix CVE-2026-2806?

To fix CVE-2026-2806, upgrade your Firefox browser to version 148 or later.

3

What is the impact of CVE-2026-2806?

The impact of CVE-2026-2806 involves the potential exposure of uninitialized memory in the Graphics: Text component, which could lead to information disclosure.

4

Which versions of Firefox are affected by CVE-2026-2806?

CVE-2026-2806 affects all versions of Firefox prior to 148.

5

Who is the vendor for CVE-2026-2806?

The vendor for CVE-2026-2806 is Mozilla.

Company

Resources

Contact

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