# CVE-2025-49506

## Summary

- **CVE ID:** CVE-2025-49506
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
- **CWE:** CWE-208
- **Published:** Aug 6, 2026
- **Last Modified:** Aug 6, 2026

## 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.

Users are recommended to upgrade to version 1.6.4, which fixes this issue.

## Affected Products

- Apache Software Foundation — Apache Portable Runtime Utility (1.2.0)

## References

- [CNA](https://lists.apache.org/thread/2v8o3bj9pb7lfcr57bdnjg9xfkj04mg5)
- [CVE](http://www.openwall.com/lists/oss-security/2026/08/06/8)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.38%
- **EPSS Percentile:** 31.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._