CVE-2025-52434 – org.apache.tomcat:tomcat-util

Package

Manager: maven
Name: org.apache.tomcat:tomcat-util
Vulnerable Version: >=9.0.0.m1 <9.0.107 || >=8.5.0 <=8.5.100

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U

EPSS: 0.00203 pctl0.42584

Details

Apache Tomcat Utilities is vulnerable to resource exhaustion when using the APR/Native connector Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 through 9.0.106. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 9.0.107, which fixes the issue.

Metadata

Created: 2025-07-10T21:31:52Z
Modified: 2025-08-08T19:04:20Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/07/GHSA-4j3c-42xv-3f84/GHSA-4j3c-42xv-3f84.json
CWE IDs: ["CWE-362"]
Alternative ID: GHSA-4j3c-42xv-3f84
Finding: F124
Auto approve: 1