Bug 2513917 - CVE-2025-49506 apr-util: Apache Portable Runtime Utility: Information disclosure via timing attack in password validation [fedora-all]
Summary: CVE-2025-49506 apr-util: Apache Portable Runtime Utility: Information disclos...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: apr-util
Version: 45
Hardware: Unspecified
OS: Unspecified
low
low
Target Milestone: ---
Assignee: Luboš Uhliarik
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["8f2ae87c-da7a-4a4c-9b68-f...
Depends On:
Blocks: CVE-2025-49506
TreeView+ depends on / blocked
 
Reported: 2026-08-11 12:04 UTC by Vladimir Vasilev
Modified: 2026-08-17 15:51 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:

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Description Vladimir Vasilev 2026-08-11 12:04:24 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

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.
Comment 1 Aoife Moloney 2026-08-17 15:51:44 UTC 
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.
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