Vulnerabilities

Security incident · CVE-2025-43816

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, 202

Published Sep 25, 2025 · catalog updated Sep 26, 2025 · Liferay DXP

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-43816. EPSS is 0.34%. Act only if a listed version of Liferay DXP is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.34%
Remediation
Advisory link
Affected products
vendor Liferay DXP 2023.Q3.1 ≤2023.Q3.10

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Liferay DXP 2023.Q3.1 ≤2023.Q3.102023.Q3.1 ≤2023.Q3.10

How to fix CVE-2025-43816

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-43816. EPSS is 0.34%. Act only if a listed version of Liferay DXP is installed.

Which versions are affected?

Compare what you have installed with Liferay DXP 2023.Q3.1 ≤2023.Q3.10 2023.Q3.1 ≤2023.Q3.10. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.34%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 25, 2025 · EUVD

    Detected

    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 endpo

  2. Sep 26, 2025 · EUVD

    Updated

    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 endpo

Sources

  • CVE.orgVulnerability recordCVE-2025-43816

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-43816

    30-day exploitation probability 0.34%

    first.org
  • EUVDVulnerability recordEUVD-2025-31166

    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 unsuppo

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 26, 2026
  • CVE.orgOct 23, 2026
  • EUVDOct 23, 2026