{"schema_version":"1.9.0","id":"CVE-2023-46589","published":"2023-11-28T15:31:52.366Z","modified":"2026-08-12T03:51:42.873289507Z","aliases":["BIT-tomcat-2023-46589","GHSA-fccv-jmmp-qg76"],"related":["ALSA-2024:0539","ALSA-2024:1134","SUSE-SU-2024:0206-1","SUSE-SU-2024:0208-1","SUSE-SU-2024:0209-1","SUSE-SU-2024:0472-1","SUSE-SU-2026:1058-1","openSUSE-SU-2024:13590-1","openSUSE-SU-2024:13596-1"],"summary":"Apache Tomcat: HTTP request smuggling via malformed trailer headers","details":"Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly parse HTTP trailer headers. A trailer header that exceeded the header size limit could cause Tomcat to treat a single \nrequest as multiple requests leading to the possibility of request \nsmuggling when behind a reverse proxy.\n\n\nOlder, EOL versions may also be affected.\n\n\nUsers are recommended to upgrade to version 11.0.0-M11 onwards, 10.1.16 onwards, 9.0.83 onwards or 8.5.96 onwards, which fix the issue.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"e37b977db6f47e4380ad67114a49e8568951c953"},{"fixed":"e9630c1fad9a72e7394872a2aeeb73627f821b6c"},{"introduced":"16bf392c67833ad549733b58c350ff92b5ee782a"},{"fixed":"be97b0e06e77226aea5eb2a7b448f1d53bda2aa1"},{"introduced":"e9d17cddc285615807ec5fef09240777436b25dc"},{"fixed":"db45aa20e1686827aa49a9062c775d266ef061d7"},{"introduced":"59c81e30e2f64f5e8c1db78c4860c51850dfb0bd"},{"last_affected":"de714a23642a4d0baef342db6762a7f7a550d82c"}],"database_specific":{"cpe":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone1:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone10:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone2:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone3:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone4:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone5:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone6:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone7:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone8:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone9:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.5.0"},{"fixed":"8.5.96"},{"introduced":"9.0.0"},{"fixed":"9.0.83"},{"introduced":"10.1.0"},{"fixed":"10.1.16"},{"introduced":"11.0.0-milestone1"},{"last_affected":"11.0.0-milestone1"},{"introduced":"11.0.0-milestone10"},{"last_affected":"11.0.0-milestone10"},{"introduced":"11.0.0-milestone2"},{"last_affected":"11.0.0-milestone2"},{"introduced":"11.0.0-milestone3"},{"last_affected":"11.0.0-milestone3"},{"introduced":"11.0.0-milestone4"},{"last_affected":"11.0.0-milestone4"},{"introduced":"11.0.0-milestone5"},{"last_affected":"11.0.0-milestone5"},{"introduced":"11.0.0-milestone6"},{"last_affected":"11.0.0-milestone6"},{"introduced":"11.0.0-milestone7"},{"last_affected":"11.0.0-milestone7"},{"introduced":"11.0.0-milestone8"},{"last_affected":"11.0.0-milestone8"},{"introduced":"11.0.0-milestone9"},{"last_affected":"11.0.0-milestone9"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["11.0.0-milestone1","11.0.0-milestone10","11.0.0-milestone2","11.0.0-milestone3","11.0.0-milestone4","11.0.0-milestone5","11.0.0-milestone6","11.0.0-milestone7","11.0.0-milestone8","11.0.0-milestone9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-46589.json"}}],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00001.html"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2023/11/28/2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46589.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/0rqq6ktozqc42ro8hhxdmmdjm1k1tpxr"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46589"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20231214-0009/"}],"database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-444"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46589.json","unresolved_ranges":[{"extracted_events":[{"introduced":"11.0.0-M1"},{"last_affected":"11.0.0-M10"},{"introduced":"10.1.0-M1"},{"last_affected":"10.1.15"},{"introduced":"9.0.0-M1"},{"last_affected":"9.0.82"},{"introduced":"8.5.0"},{"last_affected":"8.5.95"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"11.0.0-M1"},{"fixed":"11.0.0-M10"},{"introduced":"10.1.0-M1"},{"fixed":"10.1.15"},{"introduced":"9.0.0-M1"},{"fixed":"9.0.82"},{"introduced":"8.5.0"},{"fixed":"8.5.95"}],"source":"DESCRIPTION"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}