CVE-2025-4215

gorhill uBlock Origin UI 1p-filters.js currentStateChanged redos

State: Published
Severity: 2.3 Low
Published: May 2, 2025
Updated: Jun 12, 2025
Reserved: May 2, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	2.3 Low	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	VulDB
3.1	3.1 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L	VulDB
3.0	3.1 Low	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L	VulDB
2.0	2.6 Low	AV:N/AC:H/Au:N/C:N/I:N/A:P	VulDB

Weaknesses

CWE-1333 Inefficient Regular Expression Complexity
CWE-400 Resource Consumption

Affected Products

Product	Versions
uBlock Origingorhill	1.63.3b16Affected

References

VDB-307194 | gorhill uBlock Origin UI 1p-filters.js currentStateChanged redosvdb-entrytechnical-description
VDB-307194 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #562301 | uBlock @gorhill/ubo-core >=npm_0.1.11 Inefficient Regular Expression Complexitythird-party-advisory
https://github.com/gorhill/uBlock/commit/eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46cpatch
https://github.com/gorhill/uBlock/releases/tag/1.63.3b17patch
https://lists.debian.org/debian-lts-announce/2025/06/msg00013.html

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