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.
References (5)
Core 5
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory
https://gitlab.gnome.org/GNOME/libxml2/-/issues/491
Vendor Advisory
https://security.netapp.com/advisory/ntap-20230601-0006/
Vendor Advisory
https://security.netapp.com/advisory/ntap-20240201-0005/
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html
Scores
CVSS v3
6.5
EPSS
0.0039
EPSS Percentile
60.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-476
Status
published
Products (2)
debian/debian_linux
10.0
xmlsoft/libxml2
< 2.10.4
Published
Apr 24, 2023
Tracked Since
Feb 18, 2026