RHSA-2022:1068HighCVSS 9.8

Red Hat Security Advisory: expat security update

Published
March 28, 2022
Last Modified
August 6, 2026

🔗 CVE IDs covered (3)

CVE-2022-25235 →CVE-2022-25236 →CVE-2022-25315 →

📋 Description

CVE-2022-25235 — expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution CVE-2022-25236 — expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution CVE-2022-25315 — expat: Integer overflow in storeRawNames()

🎯 Affected products14

  • Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-0:2.2.5-3.el8_1.1.i686 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-0:2.2.5-3.el8_1.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-0:2.2.5-3.el8_1.1.src as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-0:2.2.5-3.el8_1.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-debuginfo-0:2.2.5-3.el8_1.1.i686 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-debuginfo-0:2.2.5-3.el8_1.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-debuginfo-0:2.2.5-3.el8_1.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-debugsource-0:2.2.5-3.el8_1.1.i686 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-debugsource-0:2.2.5-3.el8_1.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-debugsource-0:2.2.5-3.el8_1.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-devel-0:2.2.5-3.el8_1.1.i686 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-devel-0:2.2.5-3.el8_1.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)
  • expat-devel-0:2.2.5-3.el8_1.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.1)

✅ Remediation

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. Workaround: There is no known mitigation other than restricting applications using the expat library from processing untrusted XML content. Please update the affected packages as soon as possible.

🔗 References (6)