CVE-2026-18358
CVE-2026-18358: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.5
High [CVE-2026-18358] gnome-remote-desktop system-mode RDP server missing connection throttling allows unauthenticated denial of service
CVE-2026-18358Source published Source updated
A flaw was found in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. When the daemon is running in system mode with RDP enabled, the incoming connection handler bypasses the connection throttler, allowing an unauthenticated remote attacker to open many parallel pre-authentication connections to the RDP listener. This can accumulate accepted sockets and pending routing-token operations until timeout, exhausting resources and preventing legitimate users from establishing RDP sessions. This issue does not affect the upstream version. This vulnerability only affects deployments where gnome-remote-desktop is explicitly configured to run in system mode with the RDP port reachable from untrusted networks. The default user-session mode is not affected. The Moderate rather than…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat package: gnome-remote-desktop
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- gnome-remote-desktop-0:49.3-4.el10_2
- RHSA-2026:54512
- Mitigation guidance
- If system-mode RDP is not required, disable it. If it must remain enabled, restrict the RDP listener (default port 3389) to trusted hosts or management networks using host-based firewall rules.
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