CVE-2026-34501
published 2026-08-06CVE-2026-34501: Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client. This issue affects Apache Portable Runtime Utility: from 1.6.0…
PriorityP345high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.51%
41.4th percentile
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.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | apr-util | — | — |
| apache | apr-util | >= 1.6.0 < 1.6.4 | 1.6.4 |
| apache_software_foundation | apache_portable_runtime_utility | 1.6.0 – 1.6.3 | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vendor_redhat7.5HIGH
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Red Hat
apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client
vendor_redhat·2026-08-06·CVSS 7.5
CVE-2026-34501 [HIGH] CWE-120 apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client
apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client
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.
A flaw was found in the Redis client in the Apache Portable Runtime Utility (apr-util). A heap buffer overflow can be triggered when the application processes a specially crafted response from a Redis server, resulting in a crash and denial of service.
Statement: The impact of this vulnerability is rated as Moderate. Although the flaw involves a heap buffer overflow and the CVSS base score reflects an unauthenticated network vector, exploitation requires the attacker to
GHSA
Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client.
ghsa_unreviewed·2026-08-06
CVE-2026-34501 [HIGH] CWE-122 Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client.
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-34501 apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client [fedora-all]
bugzilla·2026-08-11·CVSS 7.5
CVE-2026-34501 [HIGH] CVE-2026-34501 apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client [fedora-all]
CVE-2026-34501 apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
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.
Bugzilla
CVE-2026-34501 apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client
bugzilla·2026-08-06·CVSS 7.5
CVE-2026-34501 [HIGH] CVE-2026-34501 apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client
CVE-2026-34501 apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client
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.
2026-08-06
Published