Mozilla Firefox up to 144.0.1 WebGPU-related IPC Call use after free

Summaryinfo

A vulnerability classified as critical was found in Mozilla Firefox up to 144.0.1. This affects an unknown part of the component WebGPU-related IPC Call Handler. The manipulation results in use after free. This vulnerability was named CVE-2025-12380. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 144.0.1. It has been classified as critical. Affected is an unknown function of the component WebGPU-related IPC Call Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Starting with Firefox 142, it was possible for a compromised child process to trigger a use-after-free in the GPU or browser process using WebGPU-related IPC calls. This may have been usable to escape the child process sandbox. This vulnerability affects Firefox < 144.0.2.

The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is traded as CVE-2025-12380 since 10/28/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 11/01/2025).

The vulnerability scanner Nessus provides a plugin with the ID 272023 (Linux Distros Unpatched Vulnerability : CVE-2025-12380), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 144.0.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (272023) and CERT Bund (WID-SEC-2025-2437). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Mozilla Firefox

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 144.0.0
• 144.0.1

License

• open-source

Website

• Vendor: https://www.mozilla.org/
• Product: https://www.mozilla.org/en-US/firefox/

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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