CVE-2026-21991

| EUVD-2026-12522 MEDIUM
2026-03-16 [email protected]
5.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Mar 17, 2026 - 20:45 euvd
EUVD-2026-12522
Analysis Generated
Mar 17, 2026 - 20:45 vuln.today
CVE Published
Mar 16, 2026 - 22:16 nvd
MEDIUM 5.5

Tags

Path Traversal

Description

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

Analysis

The DTrace dtprobed component contains a path traversal vulnerability (CWE-22) that allows local attackers with limited privileges to create arbitrary files on the system by supplying crafted USDT provider names. This vulnerability affects Oracle Linux 8, 9, and 10, and while it carries a CVSS score of 5.5, the EPSS score of 0.01% (percentile 2%) indicates very low exploitation probability in the wild, with no evidence of active exploitation or public proof-of-concept code.

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review file handling controls.

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Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +28
POC: 0

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CVE-2026-21991 vulnerability details – vuln.today
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