PT-2026-28661 · Polkit+3 · Polkit+3
CVE-2026-4897
·
Published
2026-01-01
·
Updated
2026-08-31
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
polkit (affected versions not specified)
Description
A flaw exists in polkit where a local user can trigger a denial of service. This occurs 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 for the system.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Allocation of Resources Without Limits
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Weakness Enumeration
Related Identifiers
Affected Products
Linuxmint
Ubuntu
Polkit
Polkit-Agent-Helper-1