NULL Pointer Dereference Affecting libxml2 package, versions <2.9.10+dfsg-6.7+deb11u4
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Availability
High
Threat Intelligence
EPSS
0.06% (25th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-LIBXML2-5423819
- published 15 Apr 2023
- disclosed 24 Apr 2023
Introduced: 15 Apr 2023
CVE-2023-28484 Open this link in a new tabHow to fix?
Upgrade Debian:11
libxml2
to version 2.9.10+dfsg-6.7+deb11u4 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 Debian
.
See How to fix?
for Debian:11
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
- https://security-tracker.debian.org/tracker/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/