{"id":"DEBIAN-CVE-2026-86247","details":"Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to be down-graded for some configurations.    This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Unsupported versions may also be affected.    Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fixes the issue.","modified":"2026-09-24T05:00:11.905578713Z","published":"2026-09-23T13:17:31.237Z","upstream":["CVE-2026-86247"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-86247"}],"affected":[{"package":{"name":"tomcat-native","ecosystem":"Debian:12","purl":"pkg:deb/debian/tomcat-native?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.35-1","1.3.1-1","1.3.7-1","2.0.14-1","2.0.16-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86247.json"}},{"package":{"name":"tomcat-native","ecosystem":"Debian:13","purl":"pkg:deb/debian/tomcat-native?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.1-1","1.3.7-1","2.0.14-1","2.0.16-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86247.json"}},{"package":{"name":"tomcat-native","ecosystem":"Debian:14","purl":"pkg:deb/debian/tomcat-native?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.16-1"}]}],"versions":["1.3.1-1","1.3.7-1","2.0.14-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86247.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}