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CVE-2026-96541— Gnome-remote-desktop: gnome-remote-desktop: unauthenticated rdp sockets lack a handshake deadline

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

A denial-of-service flaw was found in gnome-remote-desktop. An unauthenticated remote attacker can open RDP connections without completing the handshake and retain the connection-throttling slots indefinitely because no pre-authentication handshake deadline is

CVSS 7.5 · High

Affected Version Matrix 3

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 8 any affected
Red Hat Red Hat Enterprise Linux 9 any affected
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I. Basic Information for CVE-2026-96541

Vulnerability Information
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Vulnerability Title
Gnome-remote-desktop: gnome-remote-desktop: unauthenticated rdp sockets lack a handshake deadline
Source: CVE Program / CVE List V5
Vulnerability Description
A denial-of-service flaw was found in gnome-remote-desktop. An unauthenticated remote attacker can open RDP connections without completing the handshake and retain the connection-throttling slots indefinitely because no pre-authentication handshake deadline is enforced. By exhausting the global connection limit, an attacker can prevent new RDP clients from connecting until a holding socket is closed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-96541

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-96541

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Other References for CVE-2026-96541 (3)

Same Patch Batch · Red Hat · 2026-09-23 · 31 CVEs total

CVE-2026-84502 9.9 CRITICAL Automation-controller: automation-controller-container: automation-controller: project scm
CVE-2026-84474 9.9 CRITICAL Automation-controller: automation-controller-container: automation-controller: view_jobtem
CVE-2026-96275 8.8 HIGH Flatpak: flatpak: arbitrary write access as root via extra-data extraction
CVE-2026-84683 8.7 HIGH Automation-controller: automation-controller-container: automation-controller: stored cros
CVE-2026-84691 8.7 HIGH Automation-controller: automation-controller-container: automation-controller: format stri
CVE-2026-76648 8.5 HIGH Automation-controller: automation-controller-container: aap controller: copyapiview.post()
CVE-2026-84486 8.2 HIGH Automation-controller: automation-controller-container: automation-controller: unauthentic
CVE-2026-96442 7.8 HIGH Emacs: emacs: arbitrary code execution, incomplete fix for cve-2024-53920
CVE-2026-96512 7.8 HIGH Sudo: sudo: tz environment variable allows bypass of notbefore/notafter time-based authori
CVE-2026-84499 7.7 HIGH Automation-controller: automation-controller-container: automation-controller: write-only
CVE-2026-88830 7.5 HIGH Busybox: busybox: tls montgomery reduction allocates bytes instead of digits, causing a pr
CVE-2026-88832 7.3 HIGH Busybox: busybox: romfs volume id parsing performs unbounded memcpy into fixed-size label
CVE-2026-96445 6.8 MEDIUM Keycloak-services: keycloak-services: conditional otp skip-header policy evaluated against
CVE-2026-88839 6.7 MEDIUM Busybox: busybox: passwd/group parser writes heap pointers out of bounds due to stale toke
CVE-2026-88837 6.5 MEDIUM Busybox: busybox: httpd misidentifies yescrypt password hashes as plaintext, inverting aut
CVE-2026-88835 6.1 MEDIUM Busybox: busybox: dpkg read_package_field() steps past nul terminator, causing out-of-boun
CVE-2026-88840 5.3 MEDIUM Busybox: busybox: tls ssl_server reads one byte out of bounds when parsing truncated clien
CVE-2026-88831 5.3 MEDIUM Busybox: busybox: httpd silently fails open when ip deny rules contain invalid cidr prefix
CVE-2026-71459 5.0 MEDIUM Automation-controller: automation-controller-container: automation-controller: jobjobevent
CVE-2026-71458 5.0 MEDIUM Automation-controller: automation-controller-container: automation-controller: named-url 4

Showing top 20 of 31 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-400

V. Comments for CVE-2026-96541

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