RHSA-2022:1069HighCVSS 9.8

Red Hat Security Advisory: expat security update

Published
March 28, 2022
Last Modified
September 21, 2026

🔗 CVE IDs covered (12)

CVE-2022-22824 →CVE-2022-22826 →CVE-2022-25235 →CVE-2022-22823 →CVE-2022-22825 →CVE-2022-22827 →CVE-2022-23852 →CVE-2022-25236 →CVE-2022-25315 →CVE-2021-45960 →CVE-2021-46143 →CVE-2022-22822 →

📋 Description

CVE-2021-45960 — expat: Large number of prefixed XML attributes on a single tag can crash libexpat CVE-2021-46143 — expat: Integer overflow in doProlog in xmlparse.c CVE-2022-22822 — expat: Integer overflow in addBinding in xmlparse.c CVE-2022-22823 — expat: Expat: Denial of Service vulnerability in XML parsing CVE-2022-22824 — expat: Expat: Denial of service and memory issues due to integer overflow CVE-2022-22825 — expat: Integer overflow in lookup in xmlparse.c CVE-2022-22826 — expat: Integer overflow in nextScaffoldPart in xmlparse.c CVE-2022-22827 — expat: Integer overflow in storeAtts in xmlparse.c CVE-2022-23852 — expat: Integer overflow in function XML_GetBuffer 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 products71

  • Red Hat Enterprise Linux Client (v. 7)
  • Red Hat Enterprise Linux Client Optional (v. 7)
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • Red Hat Enterprise Linux Server (v. 7)
  • Red Hat Enterprise Linux Server Optional (v. 7)
  • Red Hat Enterprise Linux Workstation (v. 7)
  • Red Hat Enterprise Linux Workstation Optional (v. 7)
  • expat-0:2.1.0-14.el7_9.i686 as a component of Red Hat Enterprise Linux Client (v. 7)
  • expat-0:2.1.0-14.el7_9.i686 as a component of Red Hat Enterprise Linux Server (v. 7)
  • expat-0:2.1.0-14.el7_9.i686 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • expat-0:2.1.0-14.el7_9.ppc as a component of Red Hat Enterprise Linux Server (v. 7)
  • expat-0:2.1.0-14.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • expat-0:2.1.0-14.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • expat-0:2.1.0-14.el7_9.s390 as a component of Red Hat Enterprise Linux Server (v. 7)
  • expat-0:2.1.0-14.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • expat-0:2.1.0-14.el7_9.src as a component of Red Hat Enterprise Linux Client (v. 7)
  • expat-0:2.1.0-14.el7_9.src as a component of Red Hat Enterprise Linux Server (v. 7)
  • expat-0:2.1.0-14.el7_9.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • expat-0:2.1.0-14.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • expat-0:2.1.0-14.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • expat-0:2.1.0-14.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • expat-debuginfo-0:2.1.0-14.el7_9.i686 as a component of Red Hat Enterprise Linux Client (v. 7)
  • expat-debuginfo-0:2.1.0-14.el7_9.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • expat-debuginfo-0:2.1.0-14.el7_9.i686 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • expat-debuginfo-0:2.1.0-14.el7_9.i686 as a component of Red Hat Enterprise Linux Server (v. 7)
  • expat-debuginfo-0:2.1.0-14.el7_9.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • expat-debuginfo-0:2.1.0-14.el7_9.i686 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • expat-debuginfo-0:2.1.0-14.el7_9.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
  • expat-debuginfo-0:2.1.0-14.el7_9.ppc as a component of Red Hat Enterprise Linux Server (v. 7)
  • expat-debuginfo-0:2.1.0-14.el7_9.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • +41 more not shown

✅ 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: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. 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 (15)