{"schema_version":"1.9.0","id":"BIT-tomcat-2025-52434","published":"2026-05-18T08:57:54.038Z","modified":"2026-09-08T08:48:20.863386525Z","aliases":["CVE-2025-52434","GHSA-4j3c-42xv-3f84"],"summary":"Apache Tomcat: APR/Native Connector crash leading to DoS","details":"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.\n\nThis issue affects Apache Tomcat: from 9.0.0 through 9.0.106.\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: 8.5.0 through 8.5.100. Other, older, EOL versions \nmay also be affected.\n\n\nUsers are recommended to upgrade to version 9.0.107, which fixes the issue.","affected":[{"package":{"name":"tomcat","ecosystem":"Bitnami","purl":"pkg:bitnami/tomcat"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.0.0"},{"fixed":"9.0.107"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/tomcat/BIT-tomcat-2025-52434.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/07/10/11"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/gxgh65004f25y8519coth6w7vchww030"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52434"}],"database_specific":{"cpes":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"],"severity":"High"}}