CVE-2026-0989

LowCVSS 3.7/10Last modified Sep 1, 2026

Description

A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled. The parser does not enforce a limit on inclusion depth when resolving nested <include> directives. Specially crafted or overly complex schemas can cause excessive recursion during parsing. This may lead to stack exhaustion and application crashes, creating a denial-of-service risk.

Metrics

CVSS 3.1 3.7/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-674

Affected software

No affected versions have been published.

Timeline

Published: Jan 15, 2026
Last modified: Sep 1, 2026
NVD status: Analyzed

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