CVE-2025-49506
7.5 · HIGHOverview
CVE-2025-49506 is a high-severity vulnerability affecting apache apr-util. It was published on August 6, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from apache. Update apr-util to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | apr-util | >= 1.2.0, < 1.6.4 | Affected |
Frequently Asked Questions
What is CVE-2025-49506?
CVE-2025-49506 is a high-severity vulnerability affecting apache apr-util. It was published on August 6, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-49506?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-49506?
Check the references section for vendor advisories and patches from apache. Update apr-util to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-49506?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-49506 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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