RHSA-2021:1924 — Security Advisory

Red Hat Security Advisory: spice security update

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Severity

Low

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · May 19, 2021

Updated · June 25, 2026

Topic

An update for spice is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The Simple Protocol for Independent Computing Environments (SPICE) is a remote display system built for virtual environments which allows the user to view a computing 'desktop' environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures.

Security Fix(es):

  • spice: Client initiated renegotiation denial of service (CVE-2021-20201)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.

Related CVEs

RHSA-2021:1924 — Red Hat Security Advisory: spice security update | PulseLinux