{"id":"CVE-2025-52434","state":"PUBLISHED","title":"Apache Tomcat: APR/Native Connector crash leading to DoS","description":"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.M1 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.","publishedAt":"2025-07-10T19:03:47.225Z","updatedAt":"2025-11-04T21:11:38.474Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Tomcat"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","defaultStatus":"unaffected","versions":[{"version":"9.0.0.M1","status":"affected","lessThanOrEqual":"9.0.106","versionType":"semver"},{"version":"8.5.0","status":"affected","lessThanOrEqual":"8.5.100","versionType":"semver"},{"version":"5","status":"unknown","lessThan":"8.5.0","versionType":"semver"},{"version":"10.0.0-M1","status":"unknown","lessThanOrEqual":"10.0.27","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/gxgh65004f25y8519coth6w7vchww030","https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html","http://www.openwall.com/lists/oss-security/2025/07/10/11"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T20:09:31.862Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/52xxx/CVE-2025-52434.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-52434","state":"PUBLISHED","datePublished":"2025-07-10T19:03:47.225Z","dateUpdated":"2025-11-04T21:11:38.474Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2025-06-16T07:00:46.986Z"},"containers":{"cna":{"title":"Apache Tomcat: APR/Native Connector crash leading to DoS","descriptions":[{"lang":"en","value":"Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat when using the APR/Native connector. 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