Bug 2363838 (CVE-2025-4215)

Summary: CVE-2025-4215 uBlock: gorhill uBlock Origin UI 1p-filters.js currentStateChanged redos
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16. It has been classified as problematic. Affected is the function currentStateChanged of the file src/js/1p-filters.js of the component UI. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.63.3b17 is able to address this issue. The patch is identified as eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46c. It is recommended to upgrade the affected component.
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Bug Depends On: 2364051, 2364052, 2364053    
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Description OSIDB Bzimport 2025-05-02 21:01:39 UTC
A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16. It has been classified as problematic. Affected is the function currentStateChanged of the file src/js/1p-filters.js of the component UI. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.63.3b17 is able to address this issue. The patch is identified as eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46c. It is recommended to upgrade the affected component.

Comment 2 Dominik 'Rathann' Mierzejewski 2025-05-14 11:20:27 UTC
https://github.com/advisories/ghsa-785g-r934-c877
Fixed in 1.64.0 (1.63.3b17 pre-release).