{"id":"CVE-2026-93546","summary":"Apache HTTP Server: mod_dav_fs namespace overflow","details":"Integer overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory's property database via PROPPATCH requests declaring many XML namespaces.","aliases":["BIT-apache-2026-93546"],"modified":"2026-11-05T21:32:25.356264290Z","published":"2026-10-01T16:19:32.662Z","related":["ALSA-2026:88229","ALSA-2026:89860","ALSA-2026:92616","SUSE-SU-2026:5075-1","SUSE-SU-2026:5076-1","SUSE-SU-2026:5077-1","SUSE-SU-2026:5099-1"],"database_specific":{"cwe_ids":["CWE-190"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93546.json","unresolved_ranges":[{"extracted_events":[{"range":[{"last_affected":"2.4.68"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"}]}],"cna_assigner":"apache"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/10/01/30"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93546.json"},{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93546"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/httpd","events":[{"introduced":"0"},{"fixed":"1e06e9860794ce39605b79a0a787abfe084e5677"}],"database_specific":{"extracted_events":[{"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*","range":[{"introduced":"0"},{"fixed":"2.4.69"}]}]}}],"versions":["2.4.69-rc1-candidate"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93546.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}