CVE-2026-34501

Public on 2026-08-06

Modified on 2026-09-11

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.

Severity

Important

See what this means

CVSS v3 Base Score

8.2

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory	Status
Amazon Linux 2 - Core	apr-util	2026-08-31	ALAS2-2026-3892	Fixed
Amazon Linux 2023	apr-util	2026-08-31	ALAS2023-2026-2115	Fixed
Amazon Linux 2027 Preview	apr-util			Not Affected

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-34501 Mitre: CVE-2026-34501