CVE-2026-4897: Polkit: polkit: denial of service via unbounded input processing through standard input

Overview

Severity

Medium (CVSS 5.5)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Mar

Released

2026-04-02

Last Updated

2026-04-14

EPSS Score

0.01% (percentile: 0.3%)

Affected Products (3)

Other

• 20324-17086
• 19633-17084
• 21211-17084

Revision History

• 2026-04-02: Information published.
• 2026-04-03: Information published.
• 2026-04-09: Information published.
• 2026-04-14: Information published.