What is RHSA-2021:1384?

RHSA-2021:1384 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: nss security and bug fix update

Which CVE IDs does RHSA-2021:1384 cover?

RHSA-2021:1384 covers the following CVE IDs: CVE-2020-25648. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2021:1384?

RHSA-2021:1384 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

Which products are affected by RHSA-2021:1384?

RHSA-2021:1384 affects 83 products, including: 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); and others — see the full list on the advisory page.

RHSA-2021:1384MediumCVSS 7.5

Red Hat Security Advisory: nss security and bug fix update

Vendor

Red Hat Product Security

Published

April 27, 2021

Last Modified

November 5, 2026

🔗 CVE IDs covered (1)

CVE-2020-25648 →

📋 Description

CVE-2020-25648 — nss: TLS 1.3 CCS flood remote DoS Attack

🎯 Affected products83

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)
nss-0:3.53.1-7.el7_9.i686 as a component of Red Hat Enterprise Linux Client (v. 7)
nss-0:3.53.1-7.el7_9.i686 as a component of Red Hat Enterprise Linux Server (v. 7)
nss-0:3.53.1-7.el7_9.i686 as a component of Red Hat Enterprise Linux Workstation (v. 7)
nss-0:3.53.1-7.el7_9.ppc as a component of Red Hat Enterprise Linux Server (v. 7)
nss-0:3.53.1-7.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
nss-0:3.53.1-7.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
nss-0:3.53.1-7.el7_9.s390 as a component of Red Hat Enterprise Linux Server (v. 7)
nss-0:3.53.1-7.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
nss-0:3.53.1-7.el7_9.src as a component of Red Hat Enterprise Linux Client (v. 7)
nss-0:3.53.1-7.el7_9.src as a component of Red Hat Enterprise Linux Server (v. 7)
nss-0:3.53.1-7.el7_9.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
nss-0:3.53.1-7.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
nss-0:3.53.1-7.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
nss-0:3.53.1-7.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
nss-debuginfo-0:3.53.1-7.el7_9.i686 as a component of Red Hat Enterprise Linux Client (v. 7)
nss-debuginfo-0:3.53.1-7.el7_9.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
nss-debuginfo-0:3.53.1-7.el7_9.i686 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)
nss-debuginfo-0:3.53.1-7.el7_9.i686 as a component of Red Hat Enterprise Linux Server (v. 7)
nss-debuginfo-0:3.53.1-7.el7_9.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
nss-debuginfo-0:3.53.1-7.el7_9.i686 as a component of Red Hat Enterprise Linux Workstation (v. 7)
nss-debuginfo-0:3.53.1-7.el7_9.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
nss-debuginfo-0:3.53.1-7.el7_9.ppc as a component of Red Hat Enterprise Linux Server (v. 7)
nss-debuginfo-0:3.53.1-7.el7_9.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 7)
+53 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 (for example, Firefox) must be restarted for this update to take effect.

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products83

✅ Remediation

🔗 References (7)