CVE-2026-34501

Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client. This issue affects Apache Portable Runtime Utility: from 1.6.0 through 1.6.3. Users are recommended to upgrade to version 1.6.4, which fixes the issue.

Score

CVSS 3.1 7.5 High

Status

Analyzed - security@apache.org

Published

2026-08-06

Last modified

2026-10-24

Weaknesses

CWE-122

Affected products

• Apr-util (Apache)
• Apache Portable Runtime Utility (Apache Software Foundation)

References

• https://lists.apache.org/thread/o8h6c7cq86fplxlnry6c3rn9x0ovq8mv
• http://www.openwall.com/lists/oss-security/2026/08/06/11