CVE-2025-13012: Race condition in the Graphics component

Published Nov 11, 2025
·
Updated

Race condition in the Graphics component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, and Firefox ESR < 115.30.

Other sources

Race condition in the Graphics component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.

MITRE

Affected Software

10 affected componentsFixes available
Mozilla Firefox<145
Mozilla Firefox ESR<140.5, <115.30
Mozilla Firefox ESR<140.5
140.5
Mozilla Firefox<145
145
Mozilla Firefox ESR<115.30
115.30
Mozilla Thunderbird<145
145
Mozilla Thunderbird<140.5
140.5
Mozilla Firefox<115.30.0
Mozilla Firefox<145.0
Mozilla Firefox>=140.0<140.5.0

Event History

Nov 11, 2025
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·03:47 PM
Data Sourced
via MITRE·03:47 PM
Description
Data Sourced
via Red Hat·04:02 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
Nov 12, 2025
Updated
via Mozilla·12:00 AM
Affected Software
Nov 13, 2025
Updated
via Mozilla·12:00 AM
Affected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2025-13012?

CVE-2025-13012 is classified as a high-severity vulnerability due to the potential for exploitation through a race condition in the Graphics component of affected Firefox versions.

2

How do I fix CVE-2025-13012?

To fix CVE-2025-13012, users should update to Firefox version 145 or later, or to Firefox ESR version 140.5 or later.

3

Which versions of Firefox are affected by CVE-2025-13012?

CVE-2025-13012 affects Firefox versions prior to 145 and Firefox ESR versions prior to 140.5 and 115.30.

4

What types of security issues could CVE-2025-13012 lead to?

CVE-2025-13012 could lead to crashes or potential code execution due to the race condition in the Graphics component.

5

Is there a workaround for CVE-2025-13012?

There are no known effective workarounds for CVE-2025-13012; the recommended solution is to update to the latest version.

Contact

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