Moderate: virt:rhel and virt-devel:rhel security update

Kernel-based Virtual Machine KVM offers a full virtualization solution forLinux on numerous hardware platforms. The virt:rhel module contains packageswhich provide user-space components used to run virtual machines using KVM.The packages also provide APIs for managing and interacting with the...

CVE-2019-25600

UltraVNC Viewer 1.2.2.4 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized string to the VNC Server input field. Attackers can paste a malicious string containing 256 repeated characters into the VNC Server field and click Connect t...

CVE-2019-25600 UltraVNC Viewer 1.2.2.4 Denial of Service via Buffer Overflow

UltraVNC Viewer 1.2.2.4 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized string to the VNC Server input field. Attackers can paste a malicious string containing 256 repeated characters into the VNC Server field and click Connect t...

CVE-2019-25600

UltraVNC Viewer 1.2.2.4 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized string to the VNC Server input field. Attackers can paste a malicious string containing 256 repeated characters into the VNC Server field and click Connect t...

CVE-2026-32064

OpenClaw versions prior to 2026.2.21 sandbox browser entrypoint launches x11vnc without authentication for noVNC observer sessions, allowing unauthenticated access to the VNC interface. Remote attackers on the host loopback interface can connect to the exposed noVNC port to observe or interact wi...

CVE-2026-32064 OpenClaw < 2026.2.21 - Missing VNC Authentication in Sandbox Browser noVNC Observer

OpenClaw versions prior to 2026.2.21 sandbox browser entrypoint launches x11vnc without authentication for noVNC observer sessions, allowing unauthenticated access to the VNC interface. Remote attackers on the host loopback interface can connect to the exposed noVNC port to observe or interact wi...

virt:rhel and virt-devel:rhel security and bug fix update

An update is available for seabios, swtpm, perl-Sys-Virt, module.supermin, module.libiscsi, module.libvirt-dbus, libvirt-dbus, module.swtpm, module.virt-v2v, module.sgabios, module.perl-Sys-Virt, libvirt-python, module.libvirt-python, netcf, module.netcf, module.seabios, module.libguestfs, hivex,...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : QEMU vulnerabilities (USN-8073-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8073-1 advisory. It was discovered that the UHCI controller implementation of QEMU could be brought into an invalid state. An attacker inside the gues...

USN-8073-1 qemu vulnerabilities

It was discovered that the UHCI controller implementation of QEMU could be brought into an invalid state. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2024-8354 It was discovered that QEMU incorrectly handled memory durin...

USN-8073-1: QEMU vulnerabilities

It was discovered that the UHCI controller implementation of QEMU could be brought into an invalid state. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2024-8354 It was discovered that QEMU incorrectly handled memory durin...

CVE-2024-55025

Incorrect access control in the VNC component of Weintek cMT-3072XH2 easyweb v2.1.53, OS v20231011 allows unauthorized attackers to access the HMI system...

OpenClaw's andbox browser noVNC observer lacked VNC authentication

The sandbox browser entrypoint launched x11vnc without authentication -nopw for noVNC observer sessions. OpenClaw-managed runtime flow publishes the noVNC port to host loopback only 127.0.0.1, so default exposure is local to the host unless operators explicitly expose the port more broadly or run...

GHSA-25GX-X37C-7PPH OpenClaw's andbox browser noVNC observer lacked VNC authentication

The sandbox browser entrypoint launched x11vnc without authentication -nopw for noVNC observer sessions. OpenClaw-managed runtime flow publishes the noVNC port to host loopback only 127.0.0.1, so default exposure is local to the host unless operators explicitly expose the port more broadly or run...

CVE-2024-55025

Incorrect access control in the VNC component of Weintek cMT-3072XH2 easyweb v2.1.53, OS v20231011 allows unauthorized attackers to access the HMI system...

Weintek cMT-3072XH2 easyweb 安全漏洞

Weintek cMT-3072XH2 easyweb is an intelligent human-machine interaction interface developed by Weintek Company in Taiwan, China. The version v2.1.53 of Weintek cMT-3072XH2 easyweb contains a security vulnerability. This vulnerability stems from improper access control in the VNC component, which...

qemu-kvm: VNC WebSocket handshake use-after-free

A flaw was found in QEMU. If the QIOChannelWebsock object is freed while it is waiting to complete a handshake, a GSource is leaked. This can lead to the callback firing later on and triggering a use-after-free in the use of the channel. This can be abused by a malicious client with network acces...

Moderate: Red Hat Security Advisory: qemu-kvm security update

An update for qemu-kvm is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

qemu-kvm: VNC WebSocket handshake use-after-free

A flaw was found in QEMU. If the QIOChannelWebsock object is freed while it is waiting to complete a handshake, a GSource is leaked. This can lead to the callback firing later on and triggering a use-after-free in the use of the channel. This can be abused by a malicious client with network acces...

RHEL 9 : qemu-kvm (RHSA-2026:3077)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:3077 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the...

Fedora 42 : xorgxrdp / xrdp (2026-b409dad73e)

The remote Fedora 42 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-b409dad73e advisory. Release notes for xrdp v0.10.5 2026/01/27 Security fixes - CVE-2025-68670: Improper bounds checking of domain string length leads to Stack-based...