oss-security - CVE-2026-34502: Apache Portable Runtime Utility: Heap buffer overflow in APR memcached client

Follow @Openwall on Twitter for new release announcements and other news

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <1b830088-787a-f809-b48a-c05bcec54d37@apache.org>
Date: Thu, 06 Aug 2026 14:06:24 +0000
From: Eric Covener <covener@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-34502: Apache Portable Runtime Utility: Heap buffer
 overflow in APR memcached client 

Severity: moderate 

Affected versions:

- Apache Portable Runtime Utility 1.3.0 through 1.6.3

Description:

Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility memcached client

This issue affects Apache Portable Runtime Utility: from 1.3.0 through 1.6.3.

Credit:

Elhanan Haenel (finder)

References:

https://apr.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-34502

Timeline:

2026-03-27: reported
2026-08-06: fixed in 1.6.x by r1936813

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.