SUSE SLES15 Security Update : LibVNCServer (SUSE-SU-2026:3803-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:3803-1 advisory. This update for LibVNCServer fixes the following issue: - CVE-2026-50538: a malicious or man-in-the-middle VNC server can force a connecting libvncclie...

Security update for LibVNCServer

This update for LibVNCServer fixes the following issue: CVE-2026-50538: a malicious or man-in-the-middle VNC server can force a connecting libvncclient to write attacker- controlled data past the end of its framebuffer bsc1276218. Patch Instructions: To install this SUSE update use the SUSE...

Astra Linux – Vulnerability in libvncserver

It has been discovered that libvncclient v0.9.13 contains a memory leak through the rfbClientCleanup function...

CVE-2026-50538

LibVNCClient is a library for easy implementation of a VNC client. In versions 0.9.12 through 0.9.15, a malicious or man-in-the-middle VNC server can force a connecting libvncclient to write attacker-controlled data past the end of its framebuffer. This is an out-of-bounds heap write with...

CVE-2026-50538 libvncclient Tight decoder has an attacker-controlled heap out-of-bounds write

LibVNCClient is a library for easy implementation of a VNC client. In versions 0.9.12 through 0.9.15, a malicious or man-in-the-middle VNC server can force a connecting libvncclient to write attacker-controlled data past the end of its framebuffer. This is an out-of-bounds heap write with...

CVE-2026-50538 libvncclient Tight decoder has an attacker-controlled heap out-of-bounds write

LibVNCClient is a library for easy implementation of a VNC client. In versions 0.9.12 through 0.9.15, a malicious or man-in-the-middle VNC server can force a connecting libvncclient to write attacker-controlled data past the end of its framebuffer. This is an out-of-bounds heap write with...

CVE-2026-50538

LibVNCClient is a library for easy implementation of a VNC client. In versions 0.9.12 through 0.9.15, a malicious or man-in-the-middle VNC server can force a connecting libvncclient to write attacker-controlled data past the end of its framebuffer. This is an out-of-bounds heap write with...

CVE-2026-50538 libvncclient Tight decoder has an attacker-controlled heap out-of-bounds write

LibVNCClient is a library for easy implementation of a VNC client. In versions 0.9.12 through 0.9.15, a malicious or man-in-the-middle VNC server can force a connecting libvncclient to write attacker-controlled data past the end of its framebuffer. This is an out-of-bounds heap write with...

EUVD-2026-64167

LibVNCClient is a library for easy implementation of a VNC client. In versions 0.9.12 through 0.9.15, a malicious or man-in-the-middle VNC server can force a connecting libvncclient to write attacker-controlled data past the end of its framebuffer. This is an out-of-bounds heap write with...

CVE-2026-50538

LibVNCClient (part of the LibVNCServer project) versions 0.9.12 through 0.9.15 contain an out-of-bounds heap write in the Tight decoder . A malicious or man-in-the-middle VNC server can trigger this by sending a single crafted FramebufferUpdate message, writing attacker-controlled data past the e...

OESA-2026-3489 libvncserver security update

libvncserver is a set of programs using the RFB Remote Frame Buffer protocol. They are designed to "export" a frame buffer via net: you set up a server and can connect to it via VNC viewers. If the server supports WebSockets which LibVNCServer does, you can also connect using an in-browser VNC...

OESA-2026-3318 libvncserver security update

libvncserver is a set of programs using the RFB Remote Frame Buffer protocol. They are designed to "export" a frame buffer via net: you set up a server and can connect to it via VNC viewers. If the server supports WebSockets which LibVNCServer does, you can also connect using an in-browser VNC...

USN-8494-1: LibVNCServer vulnerability

It was discovered that LibVNCServer incorrectly handled the Tight decoder in libvncclient. A remote attacker could use this issue to cause LibVNCServer to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8494-1 libvncserver vulnerability

It was discovered that LibVNCServer incorrectly handled the Tight decoder in libvncclient. A remote attacker could use this issue to cause LibVNCServer to crash, resulting in a denial of service, or possibly execute arbitrary code...

PT-2026-55437

It was discovered that LibVNCServer incorrectly handled the Tight decoder in libvncclient. A remote attacker could use this issue to cause LibVNCServer to crash, resulting in a denial of service, or possibly execute arbitrary code...

CVE-2026-50538

LibVNCClient is a library for easy implementation of a VNC client. In versions 0.9.12 through 0.9.15, a malicious or man-in-the-middle VNC server can force a connecting libvncclient to write attacker-controlled data past the end of its framebuffer. This is an out-of-bounds heap write with...

UBUNTU-CVE-2026-50538

LibVNCClient is a library for easy implementation of a VNC client. In versions 0.9.12 through 0.9.15, a malicious or man-in-the-middle VNC server can force a connecting libvncclient to write attacker-controlled data past the end of its framebuffer. This is an out-of-bounds heap write with...

PT-2026-52181

Name of the Vulnerable Software and Affected Versions LibVNCClient versions 0.9.12 through 0.9.15 Description A malicious or man-in-the-middle VNC server can force a connecting client to perform an out-of-bounds heap write, which occurs when data is written beyond the allocated memory boundary of...

TencentOS Server 4: libvncserver (TSSA-2026:0429)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0429 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

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...