{"id":"CVE-2026-64958","summary":"Apache CXF: Denial of service via message header attachments","details":"An incomplete fix for CVE-2026-50645 means that it is still possible to perform a denial of service attack on Apache CXF by sending a message with many attachment headers. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.","modified":"2026-08-12T03:51:26.282165148Z","published":"2026-08-06T10:13:04.069Z","database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-400"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64958.json","unresolved_ranges":[{"extracted_events":[{"introduced":"4.2.0"},{"fixed":"4.2.3"},{"introduced":"4.0.0"},{"fixed":"4.1.8"},{"fixed":"3.6.12"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"WEB","url":"https://repo.maven.apache.org/maven2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64958.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/trsnkxc2f21585zlt819blvchgl6oykb"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64958"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/cxf","events":[{"introduced":"0"},{"fixed":"16d606b3c4d5c7d271fd3b488c60a208586acb3f"},{"introduced":"02310e95fe74c0c031f540f3284e4a9bd856ced2"},{"fixed":"8797a177ec23e9c578c78a630c154ad27d9bbe8d"},{"introduced":"04ccbfd709eef8f4af53d6237514fbe9db7ea81f"},{"fixed":"33259395b45b4ff69b8df6a153630721fdd489fa"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"3.6.12"},{"introduced":"4.0.0"},{"fixed":"4.1.8"},{"introduced":"4.2.0"},{"fixed":"4.2.3"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*"}}],"versions":["cxf-4.1.7","cxf-4.2.2","cxf-3.6.11","cxf-4.1.6","cxf-4.2.1","cxf-3.6.10","cxf-4.1.5","cxf-4.2.0","cxf-3.6.9","cxf-4.1.4","cxf-3.6.8","cxf-4.1.3","cxf-3.6.7","cxf-4.1.2","cxf-3.6.6","cxf-4.1.1","cxf-4.1.0","cxf-3.6.5","cxf-3.6.4","cxf-3.6.3","cxf-4.0.4","cxf-4.0.3","cxf-3.6.2","cxf-4.0.2","cxf-3.6.1","cxf-4.0.1","cxf-3.6.0","cxf-4.0.0","cxf-3.5.0","cxf-3.4.1","cxf-3.4.0","cxf-3.3.3","cxf-3.3.2","cxf-3.3.1","cxf-3.3.0","cxf-3.2.5","cxf-3.2.4","cxf-3.2.3","cxf-3.2.2","cxf-3.2.1","cxf-3.2.0","cxf-3.1.4","cxf-3.1.3","cxf-3.1.2","cxf-3.1.1","cxf-3.1.0","cxf-3.0.0","cxf-3.0.0-milestone2","cxf-2.7.2","cxf-2.7.1","cxf-2.7.0","cxf-2.6.1","cxf-2.6.0","cxf-2.5.1","cxf-2.5.0","cxf-2.4.0","cxf-2.3.0","cxf-2.2.2","cxf-2.2.1","cxf-2.2","cxf-2.1.2","cxf-2.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64958.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}