VULNERABILITY INTELLIGENCE

CVE-2026-0992

CVSS score2.9 LOW
EPSS probability0.46%
CISA KEVNot currently listed
Published2026-01-15
Last modified2026-09-01
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

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.

Weakness classification

  • CWE-400: Uncontrolled Resource Consumption

Primary references