CVE-2026-76781
- Source
- https://cve.org/CVERecord?id=CVE-2026-76781
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-76781.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-76781
- Downstream
- Published
- 2026-09-17T15:11:29Z
- Modified
- 2026-09-19T03:47:21Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- Libxml2: libxml2: null pointer dereference parsing nextcatalog without catalog attribute
- Details
-
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
nextCatalogelement lacks its mandatorycatalogattribute, leading to the application crashing and causing a Denial of Service (DoS). - Database specific
{ "cna_assigner": "redhat", "cwe_ids": [ "CWE-476" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76781.json" }- References
-
- https://access.redhat.com/downloads/content/package-browser/
- https://access.redhat.com/security/cve/CVE-2026-76781
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76781.json
- https://nvd.nist.gov/vuln/detail/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