RHSA-2026:66341 — Security Advisory
Red Hat Security Advisory: apr-util security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · September 10, 2026
Updated · September 21, 2026
Topic
An update for apr-util is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The mission of the Apache Portable Runtime (APR) is to provide a free library of C data structures and routines. This library contains additional utility interfaces for APR; including support for XML, LDAP, database interfaces, URI parsing and more.
Security Fix(es):
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apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client (CVE-2026-34501)
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apr-util: Apache Portable Runtime Utility: Information disclosure via timing attack in password validation (CVE-2025-49506)
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apr-util: Apache Portable Runtime Utility: Denial of Service via XML stack recursion attack (CVE-2026-32327)
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apr-util: Apache Portable Runtime Utility: Heap buffer overflow in APR memcached client (CVE-2026-34502)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.