CVE-2025-43816 Liferay Portal and DXP vulnerable to a memory leak
An attacker can cause server unavailability by repeatedly calling the headless API endpoint, leading to a memory leak in Liferay Portal.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-43816?
CVE-2025-43816 is a medium-severity denial of service vulnerability in Liferay Digital Experience Platform, published on 25 Sep 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-401
Which versions are affected by CVE-2025-43816?
2 open source packages ship an affected version, including com.liferay:com.liferay.portal.vulcan.impl. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay:com.liferay.portal.vulcan.impl Maven | All versions | 5.0.115 |
com.liferay:com.liferay.portal.vulcan.impl Maven | All versions | 5.0.115 |
Products include Liferay Digital Experience Platform, Liferay Liferay Portal.
How do I fix CVE-2025-43816?
Upgrade com.liferay:com.liferay.portal.vulcan.impl to 5.0.115 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-43816 being exploited?
There is no known exploitation of CVE-2025-43816 in the wild and no public exploit code.
Other vulnerabilities in Liferay Digital Experience Platform
- CVE-2024-8980 Liferay Portal and Liferay DXP Vulnerable to CSRF in the Script Console
- CVE-2023-42496 Liferay Portal and Liferay DXP vulnerable to reflected Cross-site Scripting
- CVE-2023-42498 Liferay Portal Language Override edit screen and Liferay DXP vulnerable to reflected Cross-site Scripting
- CVE-2024-25147 Liferay Portal and Liferay DXP vulnerable to Cross-site Scripting
- CVE-2024-26269 Liferay Portal Frontend JS module's portlet.js and Liferay DXP vulnerable to Cross-site Scripting
Sources
Also known as GHSA-hrqm-qpw9-w8rv.