CVE-2026-4897

MEDIUM

5.5

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.

Details CVE

Score CVSS v3.15.5

SeveriteMEDIUM

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

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/26/2026

Derniere modification3/30/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-770

References

https://access.redhat.com/security/cve/CVE-2026-4897(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2451739(secalert@redhat.com)

Correlations IOC

Aucune correlation enregistree

This product uses data from the NVD API but is not endorsed or certified by the NVD.