Vulnerability 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 Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xmlsoft | Libxml2 | < 2.10.4 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/491ExploitIssue TrackingPatch
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4Release Notes
- https://lists.debian.org/debian-lts-announce/2023/04/msg00031.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230601-0006/
- https://security.netapp.com/advisory/ntap-20240201-0005/
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/491ExploitIssue TrackingPatch
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4Release Notes
- https://lists.debian.org/debian-lts-announce/2023/04/msg00031.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230601-0006/
- https://security.netapp.com/advisory/ntap-20240201-0005/
FAQ
What is CVE-2023-28484?
CVE-2023-28484 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.
How severe is CVE-2023-28484?
CVE-2023-28484 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-28484?
Check the references section above for vendor advisories and patch information. Affected products include: Xmlsoft Libxml2, Debian Debian Linux.