{"cve":"CVE-2023-28484","nvd":{"published":"2023-04-24T21:15:09.180","modified":"2026-10-14T23:17:17.197","status":"Modified","description":"In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-476"],"references":["https://gitlab.gnome.org/GNOME/libxml2/-/issues/491","https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4","https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html","https://security.netapp.com/advisory/ntap-20230601-0006/","https://security.netapp.com/advisory/ntap-20240201-0005/"],"products":["debian:debian_linux","xmlsoft:libxml2"],"source":"nvd","synced_at":"2026-10-19T21:38:05.473481323+00:00"},"epss":{"cve":"CVE-2023-28484","score":0.01245,"percentile":0.69082,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}