CVE-2026-34501
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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 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.

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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-2026-34501
EUVD
EUVD-2026-53917

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apache_portable_runtime_utility redis_client From 1.6.0 (inc) to 1.6.3 (inc)
apache_portable_runtime_utility redis_client 1.6.4

Helpful Resources

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 Redis client. It affects versions 1.6.0 through 1.6.3. 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 crashes.

Impact Analysis

If exploited, this vulnerability could allow attackers to crash the Redis client or execute malicious code on the affected system. This may lead to unauthorized access, data theft, or service disruption. Users should upgrade to version 1.6.4 to mitigate the risk.

Mitigation Strategies

Upgrade Apache Portable Runtime Utility to version 1.6.4 or later to fix the heap-based buffer overflow vulnerability in the redis client.

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