CVE-2026-21991

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

16/03/2026

Last modified:

16/03/2026

Description

A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://linux.oracle.com/cve/CVE-2026-21991.html