Summary There is a vulnerability in the Netty library used by IBM WebSphere Application Server Liberty with the grpc-1.0 or grpcClient-1.0 feature enabled. Vulnerability Details CVEID:CVE-2025-25193 DESCRIPTION: Netty, an asynchronous, event-driven network application framework, has a vulnerability in versions up to and including 4.1.118.Final. An unsafe reading of environment file could potentially cause a denial of service in Netty. When loaded on an Windows application, Netty attempts to load a file that does not exist. If an attacker creates such a large file, the Netty application crash. A similar issue was previously reported as CVE-2024-47535. This issue was fixed, but the fix was incomplete in that null-bytes were not counted against the input limit. Commit d1fbda62d3a47835d3fb35db8bd42ecc205a5386 contains an updated fix. CWE:CWE-400: Uncontrolled Resource Consumption CVSS Source: security-advisories@github.com CVSS Base score: 5.5 CVSS Vector:(CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions Affected Product(s)| Version(s) —|— IBM WebSphere Application Server Liberty| 21.0.0.2 – 25.0.0.3 Remediation/Fixes IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH65529. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature. For IBM WebSphere…Read More