CWE
476
Advisory Published
CVE Published
Advisory Published
Updated

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 SoftwareAffected VersionHow 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

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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].

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