Issued:
2022-03-22
Updated:
2022-03-22

RHSA-2022:1012 - Important: expat security update

Synopsis

Important: expat security update

Type/Severity

Security Advisory Important

Topic

An update for expat is now available for Red Hat Enterprise Linux 8.4 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Expat is a C library for parsing XML documents.

Security Fix(es):

  • expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

  • expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)

  • expat: Integer overflow in storeRawNames() (CVE-2022-25315)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, applications using the Expat library must be restarted for the update to take effect.

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions8.4x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support8.4x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension8.4x86_64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support8.4ppc64le
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support8.4s390x
Red Hat Enterprise Linux for ARM 64 - Extended Update Support8.4aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions8.4ppc64le
Red Hat Enterprise Linux Server - TUS8.4x86_64
Red Hat Enterprise Linux Server - AUS8.4x86_64

Updated Packages

  • expat-devel-2.2.5-4.el8_4.2.ppc64le.rpm
  • expat-debuginfo-2.2.5-4.el8_4.2.ppc64le.rpm
  • expat-debugsource-2.2.5-4.el8_4.2.i686.rpm
  • expat-debugsource-2.2.5-4.el8_4.2.x86_64.rpm
  • expat-2.2.5-4.el8_4.2.ppc64le.rpm
  • expat-debugsource-2.2.5-4.el8_4.2.ppc64le.rpm
  • expat-2.2.5-4.el8_4.2.src.rpm
  • expat-devel-2.2.5-4.el8_4.2.s390x.rpm
  • expat-2.2.5-4.el8_4.2.x86_64.rpm
  • expat-2.2.5-4.el8_4.2.s390x.rpm
  • expat-debuginfo-2.2.5-4.el8_4.2.s390x.rpm
  • expat-2.2.5-4.el8_4.2.i686.rpm
  • expat-debugsource-2.2.5-4.el8_4.2.s390x.rpm
  • expat-devel-2.2.5-4.el8_4.2.x86_64.rpm
  • expat-2.2.5-4.el8_4.2.aarch64.rpm
  • expat-debuginfo-2.2.5-4.el8_4.2.x86_64.rpm
  • expat-debuginfo-2.2.5-4.el8_4.2.aarch64.rpm
  • expat-debuginfo-2.2.5-4.el8_4.2.i686.rpm
  • expat-devel-2.2.5-4.el8_4.2.i686.rpm
  • expat-devel-2.2.5-4.el8_4.2.aarch64.rpm
  • expat-debugsource-2.2.5-4.el8_4.2.aarch64.rpm

Fixes

CVEs

References

Additional information