DEBIAN-CVE-2026-52720

A heap buffer overflow vulnerability was found in GStreamer's librfb RFB/VNC client. The rectangle bounds check incorrectly validates area rather than individual dimensions, allowing a malicious VNC server to send a rectangle that extends beyond the framebuffer. A remote attacker could set up a...

CVE-2026-52720

A heap buffer overflow vulnerability was found in GStreamer's librfb RFB/VNC client. The rectangle bounds check incorrectly validates area rather than individual dimensions, allowing a malicious VNC server to send a rectangle that extends beyond the framebuffer. A remote attacker could set up a...

CVE-2026-52720

GStreamer: librfb (RFB/VNC client) is affected by a heap buffer overflow caused by improper bounds checking of rectangle dimensions, allowing a malicious VNC server to send a rectangle extending beyond the framebuffer. This can lead to an out-of-bounds heap write and, per the report, potential co...

CVE-2026-52720 Gstreamer1-plugins-bad-free: gstreamer: heap buffer overflow via crafted vnc server rectangle in librfb

A heap buffer overflow vulnerability was found in GStreamer's librfb RFB/VNC client. The rectangle bounds check incorrectly validates area rather than individual dimensions, allowing a malicious VNC server to send a rectangle that extends beyond the framebuffer. A remote attacker could set up a...

CVE-2026-52720

A heap buffer overflow vulnerability was found in GStreamer's librfb RFB/VNC client. The rectangle bounds check incorrectly validates area rather than individual dimensions, allowing a malicious VNC server to send a rectangle that extends beyond the framebuffer. A remote attacker could set up a...

RHEL 9 : tigervnc (RHSA-2026:22424)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:22424 advisory. Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine...

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...

CVE-2026-44988

LibVNCClient is a library for easy implementation of a VNC client. In 0.9.15 and earlier, LibVNCClient's Tight encoding decoder uses fixed-size 2048-pixel scratch buffers for the Gradient filter, but it does not reject Tight rectangles whose width is larger than 2048 pixels. A malicious VNC serve...

CVE-2026-44988

CVE-2026-44988 concerns LibVNCClient (0.9.15 and earlier) where the Tight encoding decoder uses fixed-size 2048-pixel scratch buffers for the Gradient filter and does not reject Wide Tight rectangles. A malicious VNC server can send a FramebufferUpdate rectangle encoded with Tight (NoZlib | Expli...

CVE-2026-7251 Eppendorf BioFlo 320 Use of hard-coded password

Eppendorf BioFlo 320 is vulnerable due to VNC server using a hard-coded password. If a remote attacker knows the network address of any BioFlo 320 model with remote access enabled, they can gain full control of the user interface by using this password. Once connected, the attacker would have ful...

CVE-2026-7251

Eppendorf BioFlo 320 is vulnerable due to VNC server using a hard-coded password. If a remote attacker knows the network address of any BioFlo 320 model with remote access enabled, they can gain full control of the user interface by using this password. Once connected, the attacker would have ful...

EUVD-2026-31912

Eppendorf BioFlo 320 is vulnerable to due to VNC server using a hard-coded password. If a remote attacker knows the network address of any BioFlo 320 model with remote access enabled, they can gain full control of the user interface by using this password. Once connected, the attacker would have...

PT-2026-43357

Name of the Vulnerable Software and Affected Versions Eppendorf BioFlo 320 affected versions not specified Description The VNC server uses a hard-coded password. A remote attacker who knows the network address of a device with remote access enabled can use this password to gain full control of th...

Eppendorf BioFlo 320 安全漏洞

The Eppendorf BioFlo 320 is a laboratory bioreactor control system developed by the German company Eppendorf. The Eppendorf BioFlo 320 has a security vulnerability, which stems from the VNC server using hard-coded passwords. This vulnerability could allow remote attackers to gain complete control...

Neat VNC 安全漏洞

Neat VNC is a freely licensed VNC server library developed by Andri Yngvason. Versions of Neat VNC prior to 0.9.6 contained security vulnerabilities. These vulnerabilities stemmed from a buffer overflow in the RSA-AES security processor, which could allow unauthenticated remote attackers to cause...

[SECURITY] Fedora 42 Update: tigervnc-1.16.2-2.fc42

Virtual Network Computing VNC is a remote display system which allows you to view a computing 'desktop' environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. This package contains a client which will allow you ...

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...

EUVD-2026-13964

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...

OpenClaw 访问控制错误漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw prior to 2026.2.21 contained a security vulnerability related to access control. This vulnerability stemmed from the fact that the XaaS browser’s entry point did not perform authentication when...