CVE-2025-43764: Liferay Digital Experience Platform

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Self-ReDoS (Regular expression Denial of Service) exists with Role Name search field of Kaleo Designer portlet JavaScript in Liferay Portal 7.4.0 through 7.4.3.131, and Liferay DXP 2024.Q4.0 through 2024.Q4.1, 2024.Q3.0 through 2024.Q3.13, 2024.Q2.1 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.20 and 7.4 GA through update 92, which allows authenticated users with permissions to update Kaleo Workflows to enter a malicious Regex pattern causing their browser to hang for a very long time.

Affected products

• Liferay Digital Experience Platform: from 2024.Q1.1, up to and including 2024.Q1.20; from 2024.q2.0, up to and including 2024.q2.13; from 2024.q3.1, up to and including 2024.q3.13; from 2024.Q4.0, before 2024.Q4.2 (fixed in 2024.Q4.2); version 7.4 only
• Liferay Liferay Portal: from 7.4.0, before 7.4.3.132 (fixed in 7.4.3.132)

Published 2025-08-23. Last modified 2026-06-17.