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CVE-2026-4897

MEDIUM CVSS: 5.5 Published: 2026-03-26 Modified: 2026-06-17

Description

A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for the system.

Affected Platforms

Redhat Enterprise LinuxFreedesktop PolkitRedhat Openshift Container Platform

Weakness Type

CWE-770

References