RHSA-2026:54512: Moderate: gnome-remote-desktop security update

Published Aug 13, 2026
·
Updated

GNOME Remote Desktop is a remote desktop and screen sharing service for the GNOME desktop environment.Security Fix(es): gnome-remote-desktop: gnome-remote-desktop system-mode RDP server missing connection throttling allows unauthenticated denial of service (CVE-2026-18358) 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.

Other sources

Moderate: gnome-remote-desktop security update

— Red Hat

Affected Software

28 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
redhat/gnome-remote-desktop<49.3-4.el10_2
49.3-4.el10_2
redhat/gnome-remote-desktop<49.3-4.el10_2
49.3-4.el10_2
redhat/gnome-remote-desktop-debuginfo<49.3-4.el10_2
49.3-4.el10_2
redhat/gnome-remote-desktop-debugsource<49.3-4.el10_2
49.3-4.el10_2
redhat/gnome-remote-desktop-debuginfo<49.3-4.el10_2
49.3-4.el10_2
redhat/gnome-remote-desktop-debugsource<49.3-4.el10_2
49.3-4.el10_2
redhat/gnome-remote-desktop<49.3-4.el10_2
49.3-4.el10_2
redhat/gnome-remote-desktop-debuginfo<49.3-4.el10_2
49.3-4.el10_2
redhat/gnome-remote-desktop-debugsource<49.3-4.el10_2
49.3-4.el10_2
redhat/gnome-remote-desktop<49.3-4.el10_2.aa
49.3-4.el10_2.aa
redhat/gnome-remote-desktop-debuginfo<49.3-4.el10_2.aa
49.3-4.el10_2.aa
redhat/gnome-remote-desktop-debugsource<49.3-4.el10_2.aa
49.3-4.el10_2.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/gnome-remote-desktop to a version that resolves this vulnerability.

    Fixed in 49.3-4.el10_2
  2. Upgrade

    Upgrade redhat/gnome-remote-desktop-debuginfo to a version that resolves this vulnerability.

    Fixed in 49.3-4.el10_2
  3. Upgrade

    Upgrade redhat/gnome-remote-desktop-debugsource to a version that resolves this vulnerability.

    Fixed in 49.3-4.el10_2
  4. Upgrade

    Upgrade redhat/gnome-remote-desktop to a version that resolves this vulnerability.

    Fixed in 49.3-4.el10_2.aa
  5. Upgrade

    Upgrade redhat/gnome-remote-desktop-debuginfo to a version that resolves this vulnerability.

    Fixed in 49.3-4.el10_2.aa
  6. Upgrade

    Upgrade redhat/gnome-remote-desktop-debugsource to a version that resolves this vulnerability.

    Fixed in 49.3-4.el10_2.aa
  7. Upgrade

    Upgrade gnome-remote-desktop to a version that resolves this vulnerability.

    Patch CVE-2026-18358

Event History

Aug 13, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·09:30 AM
Data Sourced
via Red Hat·09:30 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:54512?

The severity of RHSA-2026:54512 is rated as medium with a score of 4.

2

What vulnerability does RHSA-2026:54512 address?

RHSA-2026:54512 addresses a denial of service vulnerability in the gnome-remote-desktop system-mode RDP server.

3

How do I fix RHSA-2026:54512?

To fix RHSA-2026:54512, you should apply the latest security updates for gnome-remote-desktop as provided by your system's package manager.

4

What systems are affected by RHSA-2026:54512?

RHSA-2026:54512 affects Red Hat Enterprise Linux installations that utilize the gnome-remote-desktop software.

5

What security flaws are associated with RHSA-2026:54512?

The security flaw associated with RHSA-2026:54512 can lead to unauthenticated denial of service due to missing connection throttling.

Company

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