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libvncserver project libvncserver vulnerabilities and exploits
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9.8
CVSSv3
CVE-2016-9941
Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer prior to 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message containing a subrectangle outside of the clie...
Libvncserver Project Libvncserver
1 Article
9.8
CVSSv3
CVE-2016-9942
Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer prior to 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payl...
Libvncserver Project Libvncserver 0.9.10
1 Article
7.5
CVSSv3
CVE-2020-29260
libvncclient v0.9.13 exists to contain a memory leak via the function rfbClientCleanup().
Libvncserver Project Libvncserver 0.9.13
Debian Debian Linux 10.0
7.5
CVSSv3
CVE-2010-5304
A NULL pointer dereference flaw was found in the way LibVNCServer prior to 0.9.9 handled certain ClientCutText message. A remote attacker could use this flaw to crash the VNC server by sending a specially crafted ClientCutText message from a VNC client.
Libvncserver Project Libvncserver
Fedoraproject Fedora 19
Fedoraproject Fedora 20
Fedoraproject Fedora 21
7.5
CVSSv3
CVE-2020-25708
A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.
Libvncserver Project Libvncserver 0.9.12
Redhat Enterprise Linux 7.0
Redhat Enterprise Linux 6.0
Redhat Enterprise Linux 8.0
Debian Debian Linux 10.0
7.5
CVSSv3
CVE-2020-14399
An issue exists in LibVNCServer prior to 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed.
Libvncserver Project Libvncserver
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Opensuse Leap 15.1
Opensuse Leap 15.2
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
7.5
CVSSv3
CVE-2020-14400
An issue exists in LibVNCServer prior to 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary
Libvncserver Project Libvncserver
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Opensuse Leap 15.1
Opensuse Leap 15.2
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
6.5
CVSSv3
CVE-2020-14401
An issue exists in LibVNCServer prior to 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.
Libvncserver Project Libvncserver
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Opensuse Leap 15.1
Opensuse Leap 15.2
Siemens Simatic Itc1500 Firmware
Siemens Simatic Itc1500 Pro Firmware
Siemens Simatic Itc1900 Firmware
Siemens Simatic Itc1900 Pro Firmware
Siemens Simatic Itc2200 Firmware
Siemens Simatic Itc2200 Pro Firmware
9.8
CVSSv3
CVE-2017-18922
It exists that websockets.c in LibVNCServer before 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.
Libvncserver Project Libvncserver
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Opensuse Leap 15.1
Opensuse Leap 15.2
Fedoraproject Fedora 31
Fedoraproject Fedora 32
Siemens Simatic Itc1500 Firmware
Siemens Simatic Itc1500 Pro Firmware
Siemens Simatic Itc1900 Firmware
Siemens Simatic Itc1900 Pro Firmware
Siemens Simatic Itc2200 Firmware
Siemens Simatic Itc2200 Pro Firmware
9.8
CVSSv3
CVE-2018-15126
LibVNC before commit 73cb96fec028a576a5a24417b57723b55854ad7b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution
Libvnc Project Libvncserver
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 18.04
Debian Debian Linux 8.0
Debian Debian Linux 9.0
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4946
CVE-2024-30309
CVE-2024-4761
CVE-2024-30051
type confusion
memory leak
CVE-2024-30293
reflected XSS
CVE-2024-3126
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