Unknown [CVE-2025-49506] 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
This security Apache Software Foundation advisory covers CVE-2025-49506.
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Summary
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.
Users are recommended to upgrade to version 1.6.4, which fixes this issue.
- 1.6.3
Official advisory · medium-confidence parse· fetched 60 minutes ago·verify at source
- 1.6.4
Official advisory · medium-confidence parse· fetched 60 minutes ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 1.6.4, which fixes this issue.
Official advisory · medium-confidence parse· fetched 60 minutes ago·verify at source
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