CVE-2025-43816

High

Description

A memory leak in the headless API for StructuredContents in Liferay Portal 7.4.0 through 7.4.3.119, and older unsupported versions, and Liferay DXP 2024.Q1.1 through 2024.Q1.5, 2023.Q4.0 through 2024.Q4.10, 2023.Q3.1 through 2023.Q3.10, 7.4 GA through update 92, and older unsupported versions allows an attacker to cause server unavailability (denial of service) via repeatedly calling the API endpoint.

SeverityHigh
CVSS7.5
Exploit probability—
ProductLiferay Portal
PublishedSep 25, 2025
First seenSep 25, 2025
Weakness typeCWE-401CWE-401

How to fix

Update
  • liferay liferay_portal7.4.3.120 or later
  • liferay digital_experience_platform7.4, 2024.Q1.6 or later
  • com.liferay:com.liferay.portal.vulcan.impl5.0.115 or later

Affected products

ProductAffected versionsFixed in
liferay liferay_portalv < 7.4.3.1207.4.3.120
liferay digital_experience_platformv < 7.4, 2023.Q3.1 ≤ v ≤ 2023.Q3.10, 2023.q4.0 ≤ v ≤ 2023.q4.10, 2024.Q1.1 ≤ v < 2024.Q1.6, 7.47.4, 2024.Q1.6
com.liferay:com.liferay.portal.vulcan.implMavenv < 5.0.1155.0.115

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