CVE-2026-0992

LOW
2026-01-15 [email protected]
2.9
CVSS 3.1

CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 15, 2026 - 15:15 nvd
LOW 2.9

Tags

Denial Of Service

Description

A flaw was found in the libxml2 library. This uncontrolled resource consumption vulnerability occurs when processing XML catalogs that contain repeated <nextCatalog> elements pointing to the same downstream catalog. A remote attacker can exploit this by supplying crafted catalogs, causing the parser to redundantly traverse catalog chains. This leads to excessive CPU consumption and degrades application availability, resulting in a denial-of-service condition.

Analysis

A flaw was found in the libxml2 library. This uncontrolled resource consumption vulnerability occurs when processing XML catalogs that contain repeated <nextCatalog> elements pointing to the same downstream catalog. …

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Remediation

During next maintenance window: Apply vendor patches when convenient. Verify denial of service controls are in place.

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Priority Score

15
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +14
POC: 0

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CVE-2026-0992 vulnerability details – vuln.today
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