CVE-2019-17662-Exploit

CVE-2019-17662 Description ThinVNC 1.0b1 est vulnérable à une lecture de fichier arbitraire, ce qui conduit à un compromis du serveur VNC. La vulnérabilité existe même lorsque l'authentification est activée lors du déploiement du serveur VNC. Le mot de passe d'authentification est stocké en clair...

CVE-2019-17662

CVE-2019-17662 설명 ThinVNC 1.0b1은 임의 파일 읽기에 취약하여 VNC 서버의 손상으로 이어집니다. 이 취약점은 VNC 서버 배포 중 인증이 활성화된 경우에도 존재합니다. 인증 비밀번호는 평문으로 파일에 저장되며, ../../ThinVnc.ini 디렉터리 트래버설 공격 벡터를 통해 읽을 수 있습니다. NIST 익스플로잇 컴파일 방법 root@kitploit: $ git clone https://github.com/whokilleddb/CVE-2019-17662 $ cd CVE-2019-17662 $ mak...

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 (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...

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...

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...

RLSA-2026:37130 Important: gstreamer1-plugins-bad-free security update

GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-bad-free package contains a collection of plug-ins for GStreamer. Security Fixes: gstreamer1-plugins-bad-free: GStreamer: Heap buffer overflow via crafted VNC server rectangle i...

AlmaLinux 10 : gstreamer1-plugins-bad-free (ALSA-2026:36749)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:36749 advisory. gstreamer1-plugins-bad-free: GStreamer: Denial of service via AV1 tilelistobu parser byte/bit confusion CVE-2026-52718 gstreamer1-plugins-bad-free:...

ALSA-2026:37130 Important: gstreamer1-plugins-bad-free security update

GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-bad-free package contains a collection of plug-ins for GStreamer. Security Fixes: gstreamer1-plugins-bad-free: GStreamer: Heap buffer overflow via crafted VNC server rectangle i...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write in the rfbsrc process when connecting to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates. An attacker can cause a process crash or potentially corrupt memory by...

SUSE-SU-2026:2428-1 Security update for LibVNCServer

This update for LibVNCServer fixes the following issues: - CVE-2026-44988: Fixed missing validation of rectangle width in tight gradient decoding can lead to server-triggered out-of-bounds write bsc1266459...

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-2026:20575)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:20575 advisory. Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine...

CVE-2026-7251

Eppendorf BioFlo 320 uses a VNC server with a hard-coded password, allowing a remote attacker to gain full control of the user interface if the device address is known and remote access is enabled. VNC traffic is unencrypted, enabling interception or eavesdropping. Documents consistently describe...

TigerVNC: x0vncserver: TigerVNC x0vncserver: Information disclosure, data manipulation, and denial of service via incorrect permissions

A flaw was found in TigerVNC's x0vncserver component. Due to incorrect permissions in the Image.cxx file, other users on the system can observe or manipulate the screen contents of a running session. This vulnerability could also lead to an application crash, resulting in a Denial of Service DoS...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU’s built-in VNC server during the processing of ClientCutText messages. The qemuclipboardrequest function can be accessed before vncservercuttextcaps is called, which gives a malicious authenticated VNC client the opportunity to initialize the clipboard peer. This...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU-built-in VNC server during the processing of ClientCutText messages. A incorrect exit condition may lead to an infinite loop when inflating a zlib buffer controlled by an attacker in the inflatebuffer function. This could allow a remotely authenticated client, wh...

Astra Linux – Vulnerability in libvncserver

A divide by zero issue was detected in libvncserver-0.9.12. A malicious client could exploit this flaw to send a specially crafted message. When this message is processed by the VNC server, it will cause a floating-point exception, resulting in a denial of service...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU-built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections exceeds a certain threshold. If it does, QEMU terminates the previous connection. However, if the previous connection is still in the handshake...