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

Published Aug 6, 2026
·
Updated

Apache Portable Runtime Utility: Heap buffer overflow in APR memcached client

Other sources

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.

MITRE

Affected Software

3 affected componentsFixes available
Apache Apache Portable Runtime Utility>=1.3.0<=1.6.3
Apache apr-util>=1.3.0<=1.6.3
Microsoft azl3 apr-util 1.6.3-2<1.6.3-3
1.6.3-3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.6.3-3

Event History

Aug 6, 2026
CVE Published
via MITRE·02:31 PM
Data Sourced
via MITRE·02:31 PM
DescriptionWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeaknessAffected Software
Aug 9, 2026
Data Sourced
via Microsoft·08:02 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:02 AM
Affected Software
Updated
via Microsoft·08:02 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2026-34502?

CVE-2026-34502 has a risk rating of 60, indicating a moderate level of severity.

2

How do I fix CVE-2026-34502?

To fix CVE-2026-34502, update the Apache Portable Runtime Utility to version 1.6.4 or later.

3

What exploitability concerns are associated with CVE-2026-34502?

CVE-2026-34502 involves a heap buffer overflow vulnerability, which may allow an attacker to execute arbitrary code.

4

Which versions of Apache Portable Runtime Utility are affected by CVE-2026-34502?

Versions from 1.3.0 through 1.6.3 of the Apache Portable Runtime Utility are affected by CVE-2026-34502.

5

What is the impact of CVE-2026-34502 on applications using the APR memcached client?

Applications using the affected versions of the APR memcached client may be vulnerable to heap-based buffer overflow, potentially leading to application crashes or unauthorized code execution.

Contact

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