RHSA-2019:2237MediumCVSS 7.5

Red Hat Security Advisory: nss, nss-softokn, nss-util, and nspr security, bug fix, and enhancement update

Published
August 6, 2019
Last Modified
October 14, 2026

🔗 CVE IDs covered (3)

CVE-2018-0495 →CVE-2018-12404 →CVE-2019-17007 →

📋 Description

CVE-2018-0495 — ROHNP: Key Extraction Side Channel in Multiple Crypto Libraries CVE-2018-12404 — nss: Cache side-channel variant of the Bleichenbacher attack CVE-2019-17007 — nss: Handling of Netscape Certificate Sequences in CERT_DecodeCertPackage() may crash with a NULL deref leading to DoS

🎯 Affected products200

  • Red Hat Enterprise Linux Client (v. 7)
  • Red Hat Enterprise Linux Client Optional (v. 7)
  • Red Hat Enterprise Linux ComputeNode (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)
  • nspr-0:4.21.0-1.el7.i686 as a component of Red Hat Enterprise Linux Client (v. 7)
  • nspr-0:4.21.0-1.el7.i686 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)
  • nspr-0:4.21.0-1.el7.i686 as a component of Red Hat Enterprise Linux Server (v. 7)
  • nspr-0:4.21.0-1.el7.i686 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • nspr-0:4.21.0-1.el7.ppc as a component of Red Hat Enterprise Linux Server (v. 7)
  • nspr-0:4.21.0-1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • nspr-0:4.21.0-1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • nspr-0:4.21.0-1.el7.s390 as a component of Red Hat Enterprise Linux Server (v. 7)
  • nspr-0:4.21.0-1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • nspr-0:4.21.0-1.el7.src as a component of Red Hat Enterprise Linux Client (v. 7)
  • nspr-0:4.21.0-1.el7.src as a component of Red Hat Enterprise Linux ComputeNode (v. 7)
  • nspr-0:4.21.0-1.el7.src as a component of Red Hat Enterprise Linux Server (v. 7)
  • nspr-0:4.21.0-1.el7.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • nspr-0:4.21.0-1.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • nspr-0:4.21.0-1.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)
  • nspr-0:4.21.0-1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • nspr-0:4.21.0-1.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • nspr-debuginfo-0:4.21.0-1.el7.i686 as a component of Red Hat Enterprise Linux Client (v. 7)
  • nspr-debuginfo-0:4.21.0-1.el7.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • nspr-debuginfo-0:4.21.0-1.el7.i686 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)
  • nspr-debuginfo-0:4.21.0-1.el7.i686 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • nspr-debuginfo-0:4.21.0-1.el7.i686 as a component of Red Hat Enterprise Linux Server (v. 7)
  • +170 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 this update, applications using nss or nspr (for example, Firefox) must be restarted for this update to take effect.

🔗 References (23)