{"id":"CVE-2023-24998","aliases":["GHSA-hfrx-6qgj-fp6c"],"url":"https://o3.security/vulnerability/CVE-2023-24998","summary":"Apache Commons FileUpload, Apache Tomcat: FileUpload DoS with excessive parts","details":"Apache Commons FileUpload before 1.5 does not limit the number of request parts to be processed resulting in the possibility of an attacker triggering a DoS with a malicious upload or series of uploads.\n\n\n\n\nNote that, like all of the file upload limits, the\n          new configuration option (FileUploadBase#setFileCountMax) is not\n          enabled by default and must be explicitly configured.","published":"2023-02-20T15:57:07.372Z","modified":"2026-08-12T03:51:40.576428066Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.48788,"percentile":0.98803,"asOf":"2026-09-10"},"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"Maven","name":"commons-fileupload:commons-fileupload","fixedVersion":"1.5"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote","fixedVersion":"10.1.5"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote","fixedVersion":"11.0.0-M5"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote","fixedVersion":"8.5.88"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote","fixedVersion":"9.0.71"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"10.1.5"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"11.0.0-M5"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"8.5.88"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"9.0.71"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"10.1.5"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"11.0.0-M5"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"8.5.88"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"9.0.71"}],"fix":{"url":"https://github.com/apache/commons-fileupload/commit/e20c04990f7420ca917e96a84cec58b13a1b3d17","label":"apache/commons-fileupload@e20c049"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/05/22/1"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/07/msg00008.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/24xxx/CVE-2023-24998.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/4xl4l09mhwg4vgsk7dxqogcjrobrrdoy"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-24998"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202305-37"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230302-0013/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20241108-0002/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5522"},{"type":"WEB","url":"https://github.com/apache/commons-fileupload/commit/e20c04990f7420ca917e96a84cec58b13a1b3d17"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/8a2285f13affa961cc65595aad999db5efae45ce"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/9ca96c8c1eba86c0aaa2e6be581ba2a7d4d4ae6e"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/cf77cc545de0488fb89e24294151504a7432df74"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/d53d8e7f77042cc32a3b98f589496a1ef5088e38"},{"type":"WEB","url":"https://tomcat.apache.org/security-9.html"},{"type":"WEB","url":"https://tomcat.apache.org/security-8.html"},{"type":"WEB","url":"https://tomcat.apache.org/security-11.html"},{"type":"WEB","url":"https://tomcat.apache.org/security-10.html"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20241108-0002"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20230302-0013"},{"type":"WEB","url":"https://github.com/search?q=repo%3Aapache%2Ftomcat+util.http+path%3A%2F%5Eres%5C%2Fbnd%5C%2F%2F&type=code"},{"type":"PACKAGE","url":"https://github.com/apache/commons-fileupload"},{"type":"WEB","url":"https://commons.apache.org/proper/commons-fileupload/security-reports.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:40.576428066Z"}}