{"id":"CVE-2025-49506","summary":"Apache Portable Runtime Utility: apr_password_validate() vulnerable to timing attack","details":"APR-util versions 1.6.3 (and earlier) function apr_password_validate() was not constant-time with regards to hashes or passwords comparisons, potentially leaking their content via a side channel timing attack particularly on platforms without crypt() such as  Windows, BeOS, NetWare, or Android.\n\nUsers are recommended to upgrade to version 1.6.4, which fixes this issue.","modified":"2026-08-09T03:45:27.919656554Z","published":"2026-08-06T14:33:12.957Z","database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-208"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/49xxx/CVE-2025-49506.json","unresolved_ranges":[{"extracted_events":[{"introduced":"1.2.0"},{"last_affected":"1.6.3"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/08/06/8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/49xxx/CVE-2025-49506.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/2v8o3bj9pb7lfcr57bdnjg9xfkj04mg5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49506"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/apr-util","events":[{"introduced":"0"},{"fixed":"345398c35e276f4ab0fd8aa3bd94949292cf5638"}],"database_specific":{"cpe":"cpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.2.0"},{"fixed":"1.6.4"}],"source":"CPE_RANGE"}}],"versions":["1.6.4-rc2-candidate"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-49506.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}