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Red Hat: CVE-2023-28484: NULL dereference in xmlSchemaFixupComplexType (Multiple Advisories)

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Red Hat: CVE-2023-28484: NULL dereference in xmlSchemaFixupComplexType (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/24/2023
Created
08/02/2023
Added
08/02/2023
Modified
01/26/2024

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.

Solution(s)

  • redhat-upgrade-libxml2
  • redhat-upgrade-libxml2-debuginfo
  • redhat-upgrade-libxml2-debugsource
  • redhat-upgrade-libxml2-devel
  • redhat-upgrade-python3-libxml2
  • redhat-upgrade-python3-libxml2-debuginfo

References

  • CVE-2023-28484
  • RHSA-2023:4349
  • RHSA-2023:4529
  • RHSA-2024:0413

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