CVE-2026-34502
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Heap-based Buffer Overflow in Apache Portable Runtime Utility

Publication date: 2026-08-06

Last updated on: 2026-08-06

Assigner: Apache Software Foundation

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.

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Meta Information

Published
2026-08-06
Last Modified
2026-08-06
Generated
2026-08-06
AI Q&A
2026-08-06
EPSS Evaluated
N/A
NVD
CVE-2026-34502
EUVD
EUVD-2026-53916

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apache_portable_runtime_utility memcached_client From 1.3.0 (inc) to 1.6.3 (inc)
apache portable_runtime_utility From 1.3.0 (inc) to 1.6.3 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

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Executive Summary

This is a heap-based buffer overflow vulnerability in the Apache Portable Runtime Utility's memcached client. It affects versions 1.3.0 through 1.6.3 of the utility. A buffer overflow occurs when a program writes more data to a buffer than it can hold, potentially allowing attackers to execute arbitrary code or cause denial of service.

Impact Analysis

If exploited, this vulnerability could allow attackers to crash the affected application, execute malicious code, or gain unauthorized access to system resources. Systems using the vulnerable versions of Apache Portable Runtime Utility's memcached client are at risk.

Mitigation Strategies

Upgrade Apache Portable Runtime Utility to a version beyond 1.6.3 to address the heap-based buffer overflow in the memcached client.

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