CVE-2025-4215

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.

The following products are affected by CVE-2025-4215 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-4215.

URL	Resource
https://github.com/gorhill/uBlock/commit/eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46c
https://github.com/gorhill/uBlock/releases/tag/1.63.3b17
https://lists.debian.org/debian-lts-announce/2025/06/msg00013.html
https://vuldb.com/?ctiid.307194
https://vuldb.com/?id.307194
https://vuldb.com/?submit.562301