MEDIUM

CVE-2026-76781

2026-09-17 CVSS v3.1

CVSS

5.5

Description

A flaw was found in libxml2. A local user or an attacker providing a specially crafted XML catalog can trigger a NULL pointer dereference during XML catalog parsing. This occurs when a `nextCatalog` element lacks its mandatory `catalog` attribute, leading to the application crashing and causing a Denial of Service (DoS).

Weakness (CWE)

CWE-476 NULL Pointer Dereference

EPSS Score

0.16%

Probability of exploitation in next 30 days

5.6th percentile

References

https://access.redhat.com/security/cve/CVE-2026-76781 https://bugzilla.redhat.com/show_bug.cgi?id=2519776 https://gitlab.gnome.org/GNOME/libxml2/-/commit/c6324894 https://gitlab.gnome.org/GNOME/libxml2/-/merge_requests/442

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

Back to CVE