CVE-2025-9179: Sandbox escape due to invalid pointer in the Audio/Video: GMP component

Published Aug 19, 2025
·
Updated

An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process.

Affected Software

17 affected componentsFixes available
Mozilla Firefox<142
Mozilla Firefox ESR<115.27, <128.14, <140.2
Mozilla Thunderbird<142, <128.14, <140.2
Mozilla Firefox<115.27.0
Mozilla Firefox<142.0
Mozilla Firefox>=128.0<128.14.0
Mozilla Firefox>=140.0<140.2.0
Mozilla Thunderbird<128.14.0
Mozilla Thunderbird<142.0
Mozilla Thunderbird>=140.0<140.2.0
Mozilla Thunderbird<142
142
Mozilla Firefox ESR<115.27
115.27
Mozilla Thunderbird<140.2
140.2
Mozilla Firefox ESR<140.2
140.2
Mozilla Firefox ESR<128.14
128.14
Mozilla Thunderbird<128.14
128.14
Mozilla Firefox<142
142

Event History

Aug 19, 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·08:33 PM
Data Sourced
via MITRE·08:33 PM
Description
Data Sourced
via Red Hat·09:01 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Feb 28, 57989
Event
via FIRST·02:24 AM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2025-9179?

CVE-2025-9179 has been rated as a critical vulnerability due to its potential for memory corruption in the GMP process.

2

How do I fix CVE-2025-9179?

To fix CVE-2025-9179, update Firefox to version 142 or later, and Firefox ESR to 115.27, 128.14, or higher.

3

Which versions are affected by CVE-2025-9179?

CVE-2025-9179 affects Firefox versions prior to 142 and Firefox ESR versions prior to 115.27 and 128.14.

4

What products are impacted by CVE-2025-9179?

The impacted products include Mozilla Firefox, Firefox ESR, and Mozilla Thunderbird versions below the specified thresholds.

5

Is CVE-2025-9179 a local or remote vulnerability?

CVE-2025-9179 is categorized as a remote vulnerability, potentially exploited over the network.

Contact

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