CVE Catalog

CVE-2025-62254

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.55%

45th percentile - higher than 45% of all known CVEs

Summary

The ComboServlet in Liferay Portal and Liferay DXP does not limit the number or size of files it combines. A remote attacker can craft URL query strings to generate very large responses, leading to a denial of service attack.

Risk Assessment

Server resources may be exhausted, causing application unavailability for legitimate users.

Recommendation

Update Liferay to a patched version or enforce response size and query parameter limits at the reverse proxy level.

Other vulnerabilities in Liferay Portal / Liferay DXP

See all
Original NVD description (English source)

The ComboServlet in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0 through 2023.Q4.2, 2023.Q3.1 through 2023.Q3.5, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions does not limit the number or size of the files it will combine, which allows remote attackers to create very large responses that lead to a denial of service attack via the URL query string.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS