Vulnerability in Apache Software Foundation Portable Runtime Utility

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 with…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-49506?
CVE-2025-49506 is a high-severity vulnerability in Apache Software Foundation Portable Runtime Utility, classified under CWE-208. CVSS score: 7.5/10. Published 2026-08-06.
How severe is CVE-2025-49506?
High severity. CVSS v3 base score is 7.5 out of 10.