CVE-2023-28484: Null Pointer Dereference
First published: Tue Apr 11 2023(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xmlsoft Libxml2 | <2.10.4 | |
| Debian Debian Linux | =10.0 | |
| redhat/libxml2 | <2.10.4 | 2.10.4 |
| F5 BIG-IP | >=17.1.0<=17.1.1 | |
| F5 BIG-IP | >=16.1.0<=16.1.4 | |
| F5 BIG-IP | >=15.1.0<=15.1.10 | |
| F5 BIG-IQ Centralized Management | >=8.1.0<=8.3.0 | |
| F5 F5OS-A | =1.7.0>=1.5.0<=1.5.2=1.4.0>=1.3.0<=1.3.2 | |
| F5 F5OS-C | >=1.6.0<=1.6.2>=1.5.0<=1.5.1 | |
| F5 Traffix SDC | =5.2.0=5.1.0 | 5.2 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- 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/
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/647e072ea0a2f12687fa05c172f4c4713fdb0c4f
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/4c6922f763ad958c48ff66f82823ae21f2e92ee6
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2185996
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2185995
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2185997
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2185998
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2185999
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2186000
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2186002
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2186001
- https://access.redhat.com/errata/RHSA-2023:4349
- https://access.redhat.com/errata/RHSA-2023:4529
- https://access.redhat.com/errata/RHSA-2023:4628
- https://access.redhat.com/errata/RHSA-2024:0413
- https://bugzilla.redhat.com/show_bug.cgi?id=2185994
- https://my.f5.com/manage/s/article/K000139641
Frequently Asked Questions
What is CVE-2023-28484?
CVE-2023-28484 is a vulnerability in libxml2 that can lead to a NULL pointer dereference and subsequently a segfault when parsing certain invalid XSD schemas.
How does CVE-2023-28484 affect libxml2?
CVE-2023-28484 affects libxml2 versions before 2.10.4.
What is the severity of CVE-2023-28484?
CVE-2023-28484 has a severity value of 6.5.
How can I fix CVE-2023-28484?
To fix CVE-2023-28484, update libxml2 to version 2.10.4 or later.
Where can I find more information about CVE-2023-28484?
You can find more information about CVE-2023-28484 at the following references: [link1], [link2], [link3].
- collector/nvd-index
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- agent/weakness
- agent/remedy
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/event
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/author
- agent/last-modified-date
- agent/tags
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2023-28484
- collector/f5-advisory
- source/F5
- vendor/xmlsoft
- canonical/xmlsoft libxml2
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- package-manager/redhat
- vendor/f5
- canonical/f5 big-ip
- version/f5 big-ip/17.1.0
- version/f5 big-ip/17.1.1
- version/f5 big-ip/16.1.0
- version/f5 big-ip/16.1.4
- version/f5 big-ip/15.1.0
- version/f5 big-ip/15.1.10
- canonical/f5 big-iq centralized management
- version/f5 big-iq centralized management/8.1.0
- version/f5 big-iq centralized management/8.3.0
- canonical/f5 f5os-a
- version/f5 f5os-a/1.7.0
- version/f5 f5os-a/1.5.0
- version/f5 f5os-a/1.5.2
- version/f5 f5os-a/1.4.0
- version/f5 f5os-a/1.3.0
- version/f5 f5os-a/1.3.2
- canonical/f5 f5os-c
- version/f5 f5os-c/1.6.0
- version/f5 f5os-c/1.6.2
- version/f5 f5os-c/1.5.0
- version/f5 f5os-c/1.5.1
- canonical/f5 traffix sdc
- version/f5 traffix sdc/5.2.0
- version/f5 traffix sdc/5.1.0