RHSA-2023:5615MediumCVSS 7.5

Red Hat Security Advisory: libssh2 security update

Published
October 10, 2023
Last Modified
October 14, 2026

🔗 CVE IDs covered (1)

CVE-2020-22218 →

📋 Description

CVE-2020-22218 — libssh2: use-of-uninitialized-value in _libssh2_transport_read

🎯 Affected products62

  • 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)
  • libssh2-0:1.8.0-4.el7_9.1.i686 as a component of Red Hat Enterprise Linux Client (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.i686 as a component of Red Hat Enterprise Linux Server (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.i686 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.ppc as a component of Red Hat Enterprise Linux Server (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.s390 as a component of Red Hat Enterprise Linux Server (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.src as a component of Red Hat Enterprise Linux Client (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.src as a component of Red Hat Enterprise Linux Server (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • libssh2-0:1.8.0-4.el7_9.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • libssh2-debuginfo-0:1.8.0-4.el7_9.1.i686 as a component of Red Hat Enterprise Linux Client (v. 7)
  • libssh2-debuginfo-0:1.8.0-4.el7_9.1.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • libssh2-debuginfo-0:1.8.0-4.el7_9.1.i686 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • libssh2-debuginfo-0:1.8.0-4.el7_9.1.i686 as a component of Red Hat Enterprise Linux Server (v. 7)
  • libssh2-debuginfo-0:1.8.0-4.el7_9.1.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • libssh2-debuginfo-0:1.8.0-4.el7_9.1.i686 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • libssh2-debuginfo-0:1.8.0-4.el7_9.1.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
  • libssh2-debuginfo-0:1.8.0-4.el7_9.1.ppc as a component of Red Hat Enterprise Linux Server (v. 7)
  • libssh2-debuginfo-0:1.8.0-4.el7_9.1.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • +32 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 these updated packages, all running applications using libssh2 must be restarted for this update to take effect.

🔗 References (4)