CVE-2026-34501: Apache Portable Runtime Utility: Heap buffer overflow in APR redis client

Published Aug 6, 2026
·
Updated

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

Other sources

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.

MITRE

Affected Software

3 affected componentsFixes available
Apache Apache Portable Runtime Utility>=1.6.0<=1.6.3
Apache apr-util>=1.6.0<1.6.4
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
  2. Upgrade

    Upgrade Apache Portable Runtime Utility (APR) redis client to a version that resolves this vulnerability.

    Fixed in 1.6.4Patch CVE-2026-34501

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-2026-34501?

CVE-2026-34501 has a risk severity rating of 60.

2

How do I fix CVE-2026-34501?

To fix CVE-2026-34501, upgrade Apache Portable Runtime Utility to version 1.6.4 or later.

3

What versions are affected by CVE-2026-34501?

CVE-2026-34501 affects Apache Portable Runtime Utility versions from 1.6.0 through 1.6.3.

4

What type of vulnerability is CVE-2026-34501?

CVE-2026-34501 is classified as a heap-based buffer overflow vulnerability.

5

What is the impact of CVE-2026-34501?

The impact of CVE-2026-34501 can include potential crashes and execution of arbitrary code due to the buffer overflow.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203