{"schema_version":"1.9.0","id":"CVE-2023-42795","published":"2023-10-10T17:42:16.705Z","modified":"2026-08-12T03:51:23.936199458Z","aliases":["BIT-tomcat-2023-42795","GHSA-g8pj-r55q-5c2v"],"related":["ALSA-2024:0125","ALSA-2024:0474","SUSE-SU-2023:4337-1","SUSE-SU-2023:4423-1","SUSE-SU-2024:0472-1","SUSE-SU-2026:1058-1","openSUSE-SU-2024:13382-1"],"summary":"Apache Tomcat: Failure during request clean-up leads to sensitive data leaking to subsequent requests","details":"Incomplete Cleanup vulnerability in Apache Tomcat.When recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could \ncause Tomcat to skip some parts of the recycling process leading to \ninformation leaking from the current request/response to the next.\nOlder, EOL versions may also be affected.\n\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"e37b977db6f47e4380ad67114a49e8568951c953"},{"fixed":"36d4f7d698f71cd322204a3b242a97c54860fb8c"},{"introduced":"3c78e95e36268dfb76db1570f0cf49104fa6eabc"},{"fixed":"90a0120a60faf9a3a657b113a7e2cdda2112be91"},{"introduced":"934df02dc68e72b95a38f372017f1b89b0d13a76"},{"fixed":"5feba31fa86b38bd645bf9cc1ddee883ad7bc6a4"},{"introduced":"29b07def810d335012e738b22ab44d4e232b50d1"},{"last_affected":"de714a23642a4d0baef342db6762a7f7a550d82c"}],"database_specific":{"cpe":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone20:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone21:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone22:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone24:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone25:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone27:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone6:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone7:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone8:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:9.0.0:milestone9:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone1:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone10:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone11:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone12:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone13:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone14:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone15:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone16:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone17:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone18:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone19:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone2:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone20:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone3:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone4:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone5:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone6:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone7:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone8:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone9:*:*:*:*:*:*","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:milestone11:*:*:*:*:*:*","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":"8.5.94"},{"introduced":"9.0.1"},{"fixed":"9.0.81"},{"introduced":"10.1.1"},{"fixed":"10.1.14"},{"introduced":"9.0.0-milestone1"},{"last_affected":"9.0.0-milestone1"},{"introduced":"9.0.0-milestone10"},{"last_affected":"9.0.0-milestone10"},{"introduced":"9.0.0-milestone11"},{"last_affected":"9.0.0-milestone11"},{"introduced":"9.0.0-milestone12"},{"last_affected":"9.0.0-milestone12"},{"introduced":"9.0.0-milestone13"},{"last_affected":"9.0.0-milestone13"},{"introduced":"9.0.0-milestone14"},{"last_affected":"9.0.0-milestone14"},{"introduced":"9.0.0-milestone15"},{"last_affected":"9.0.0-milestone15"},{"introduced":"9.0.0-milestone16"},{"last_affected":"9.0.0-milestone16"},{"introduced":"9.0.0-milestone17"},{"last_affected":"9.0.0-milestone17"},{"introduced":"9.0.0-milestone18"},{"last_affected":"9.0.0-milestone18"},{"introduced":"9.0.0-milestone19"},{"last_affected":"9.0.0-milestone19"},{"introduced":"9.0.0-milestone2"},{"last_affected":"9.0.0-milestone2"},{"introduced":"9.0.0-milestone20"},{"last_affected":"9.0.0-milestone20"},{"introduced":"9.0.0-milestone21"}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ORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42795"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20231103-0007/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5521"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5522"}],"database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-459"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/42xxx/CVE-2023-42795.json","unresolved_ranges":[{"extracted_events":[{"introduced":"11.0.0-M1"},{"last_affected":"11.0.0-M11"},{"introduced":"10.1.0-M1"},{"last_affected":"10.1.13"},{"introduced":"9.0.0-M1"},{"last_affected":"9.0.80"},{"introduced":"8.5.0"},{"last_affected":"8.5.93"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"11.0.0-M1"},{"fixed":"11.0.0-M11"},{"introduced":"10.1.0-M1"},{"fixed":"10.1.13"},{"introduced":"9.0.0-M1"},{"fixed":"9.0.80"},{"introduced":"8.5.0"},{"fixed":"8.5.93"}],"source":"DESCRIPTION"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}