Red Hat Security Advisory: gnome-remote-desktop security update
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.
AI Analysis
Technical Summary
CVE-2026-18358 is a denial of service vulnerability in the GNOME Remote Desktop system-mode RDP server caused by missing connection throttling. This allows unauthenticated attackers to exhaust resources by making excessive connection attempts, resulting in denial of service. The vulnerability affects Red Hat Enterprise Linux 10 and its extended update support variants. Red Hat has released a security update (RHSA-2026:54512) that fixes this issue by adding connection throttling to the RDP server component.
Potential Impact
The vulnerability enables unauthenticated attackers to cause a denial of service condition on affected systems by overwhelming the GNOME Remote Desktop RDP server with excessive connection attempts. This can disrupt remote desktop and screen sharing services, impacting availability. There is no indication of privilege escalation or data compromise from this vulnerability.
Mitigation Recommendations
Red Hat has released an official security update (RHSA-2026:54512) that addresses this vulnerability. Users should apply the update to Red Hat Enterprise Linux 10 and all related extended update support versions as detailed in the advisory. Refer to Red Hat's article https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is required beyond applying the official patch.
Red Hat Security Advisory: gnome-remote-desktop security update
Description
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.
Affected software
pkg:rpm/redhat/gnome-remote-desktopRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18358 is a denial of service vulnerability in the GNOME Remote Desktop system-mode RDP server caused by missing connection throttling. This allows unauthenticated attackers to exhaust resources by making excessive connection attempts, resulting in denial of service. The vulnerability affects Red Hat Enterprise Linux 10 and its extended update support variants. Red Hat has released a security update (RHSA-2026:54512) that fixes this issue by adding connection throttling to the RDP server component.
Potential Impact
The vulnerability enables unauthenticated attackers to cause a denial of service condition on affected systems by overwhelming the GNOME Remote Desktop RDP server with excessive connection attempts. This can disrupt remote desktop and screen sharing services, impacting availability. There is no indication of privilege escalation or data compromise from this vulnerability.
Mitigation Recommendations
Red Hat has released an official security update (RHSA-2026:54512) that addresses this vulnerability. Users should apply the update to Red Hat Enterprise Linux 10 and all related extended update support versions as detailed in the advisory. Refer to Red Hat's article https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is required beyond applying the official patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:54512
- Cve Count
- 1
- State
- PUBLISHED
Threat ID: 6a7e036ebf8831d5398f9052
Added to database: 08/13/2026, 17:48:30 UTC
Last enriched: 08/13/2026, 18:08:55 UTC
Last updated: 09/26/2026, 01:47:40 UTC
Views: 37
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