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` …
Medium CVSS 5.5
Summary
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).
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Sources
- NVD DATABASE
Original Links
- 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
Timeline
- nvd_ingest NVD