CVE-2026-59691

A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates, the Hextile background fill path writes 32-bit pixel values into a buffer allocated for 16-bit...

DEBIAN-CVE-2026-59691

A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates, the Hextile background fill path writes 32-bit pixel values into a buffer allocated for 16-bit...

UBUNTU-CVE-2026-59691

A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates, the Hextile background fill path writes 32-bit pixel values into a buffer allocated for 16-bit...

CVE-2026-59691

A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates, the Hextile background fill path writes 32-bit pixel values into a buffer allocated for 16-bit...

CVE-2026-59691

GStreamer rfbsrc plugin is affected by a heap buffer overflow when a client connects to a 16bpp RFB/VNC server using Hextile-encoded updates. The Hextile background fill path writes 32-bit pixel values into a buffer allocated for 16-bit pixels, causing an out-of-bounds heap write that can cause p...

EUVD-2026-42569

A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates, the Hextile background fill path writes 32-bit pixel values into a buffer allocated for 16-bit...

CVE-2026-59691 Gstreamer: gstreamer: rfbsrc/librfb hextile heap out-of-bounds write with 16bpp framebuffer

A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates, the Hextile background fill path writes 32-bit pixel values into a buffer allocated for 16-bit...

Linux Distros Unpatched Vulnerability : CVE-2026-59691

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp...

SUSE CVE-2017-5884

gtk-vnc before 0.7.0 does not properly check boundaries of subrectangle-containing tiles, which allows remote servers to execute arbitrary code via the src x, y coordinates in a crafted 1 rre, 2 hextile, or 3 copyrect tile...

SUSE CVE-2020-14403

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings...

UBUNTU-CVE-2014-125004

A vulnerability has been found in FFmpeg 2.0 and classified as problematic. This vulnerability affects the function decodehextile of the file libavcodec/vmnc.c. The manipulation leads to memory corruption. The attack can be initiated remotely. It is recommended to apply a patch to fix this issue...

Huawei EulerOS: Security Advisory for gtk-vnc (EulerOS-SA-2020-2010)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

The vulnerability of the component libvncserver/hextile.c in the cross-platform library LibVNCServer allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the libvncserver/hextile.c component of the cross-platform library LibVNCServer arises from an operation that occurs outside the buffer boundaries in memory. Exploiting this vulnerability allows a malicious actor to compromise the confidentiality, integrity, and accessibility...

LibVNCServer Buffer Overflow Vulnerability (CNVD-2020-36789)

LibVNCServer is a cross-platform C library that supports the implementation of VNC Virtual Network Computing server or client functionality in programs. A buffer overflow vulnerability exists in the libvncserver/hextile.c file in versions of LibVNCServer prior to 0.9.13. A remote attacker could...

CVE-2020-14403

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings...

UBUNTU-CVE-2020-14403

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings...

CVE-2020-14403

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings...

Huawei EulerOS: Security Advisory for gtk-vnc (EulerOS-SA-2017-1181)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

gtk-vnc: Improper check of framebuffer boundaries when processing a tile

It was found that gtk-vnc lacked proper bounds checking while processing messages using RRE, hextile, or copyrect encodings. A remote malicious VNC server could use this flaw to crash VNC viewers which are based on the gtk-vnc library...

CVE-2017-5884

gtk-vnc before 0.7.0 does not properly check boundaries of subrectangle-containing tiles, which allows remote servers to execute arbitrary code via the src x, y coordinates in a crafted 1 rre, 2 hextile, or 3 copyrect tile...