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OpenAdvisories
Medium · 6.9 CVE-2025-62254 EUVD-2025-35736GHSA-q95h-87j6-273x

Liferay Portal ComboServlet denial of service via large file combination

Published Oct 23, 2025 · Updated Oct 24, 2025 · Assigned by Liferay

Description

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.

Affected products

VendorProductAffectedFixed
Liferay Portal 7.4.0 – ≤ 7.4.3.111 —
Liferay DXP 7.3.10 – ≤ 7.3.10-u35, 7.4.13 – ≤ 7.4.13-u92, 2023.Q3.1 – ≤ 2023.Q3.5, 2023.Q4.0 – ≤ 2023.Q4.2 —

Affected packages

EcosystemPackageAffectedFixedRecord
Maven com.liferay.portal:com.liferay.portal.impl < 97.0.0 97.0.0 GHSA-q95h-87j6-273x

Advisories 1

References