{"id":"CVE-2025-49506","state":"PUBLISHED","title":"Apache Portable Runtime Utility: apr_password_validate() vulnerable to timing attack","description":"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.","publishedAt":"2026-08-06T14:33:12.957Z","updatedAt":"2026-08-06T21:56:06.543Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Portable Runtime Utility"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Portable Runtime Utility","packageName":"APR-util","defaultStatus":"unaffected","versions":[{"version":"1.2.0","status":"affected","lessThanOrEqual":"1.6.3","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/2v8o3bj9pb7lfcr57bdnjg9xfkj04mg5","http://www.openwall.com/lists/oss-security/2026/08/06/8"],"weaknesses":["CWE-208"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/49xxx/CVE-2025-49506.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-49506","state":"PUBLISHED","datePublished":"2026-08-06T14:33:12.957Z","dateUpdated":"2026-08-06T21:56:06.543Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2025-06-06T09:23:28.146Z"},"containers":{"cna":{"title":"Apache Portable Runtime Utility: apr_password_validate() vulnerable to timing attack","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Portable Runtime Utility","packageName":"APR-util","defaultStatus":"unaffected","versions":[{"version":"1.2.0","status":"affected","lessThanOrEqual":"1.6.3","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/2v8o3bj9pb7lfcr57bdnjg9xfkj04mg5","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"low"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-208","description":"CWE-208 Observable Timing Discrepancy","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-08-06T14:33:12.957Z"},"credits":[{"lang":"en","type":"finder","value":"Michael Rowley <michael csirt.global>"}],"source":{"discovery":"EXTERNAL"},"timeline":[{"lang":"en","time":"2024-06-03T00:00:00.000Z","value":"Reported to security team"},{"lang":"en","time":"2026-08-06T12:00:00.000Z","value":"fixed in 1.6.x by r1936805"},{"lang":"en","time":"2026-08-06T12:58:00.000Z","value":"1.6.4 released"}],"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-06T17:45:19.290280Z","id":"CVE-2025-49506","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-06T17:45:22.645Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/08/06/8"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-08-06T21:56:06.543Z"}}]}}}