NULL Pointer Dereference Affecting libxml2 package, versions <2.9.4+dfsg1-6.1ubuntu1.9
Threat Intelligence
EPSS
0.12% (46th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-UBUNTU1804-LIBXML2-5420410
- published 12 Apr 2023
- disclosed 24 Apr 2023
Introduced: 12 Apr 2023
CVE-2023-28484 Open this link in a new tabHow to fix?
Upgrade Ubuntu:18.04 libxml2 to version 2.9.4+dfsg1-6.1ubuntu1.9 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2023-28484
- 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/
CVSS Scores
version 3.1