Libvnc Project Libvncserver vulnerabilities
24 vulnerabilities
Known vulnerabilities in Libvnc Project Libvncserver, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.
CVE-2018-21247canonicalubuntu_linux+13
EPSS score2.46%
An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.CVE-2018-20749canonicalubuntu_linux+11EPSS score3.23%
LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.CVE-2018-20021canonicalubuntu_linux+10EPSS score3.52%
LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code. Vulnerability allows attacker to consume excessive amount of resources like CPU and RAMCVE-2018-20750canonicalubuntu_linux+12EPSS score3.33%
LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.CVE-2018-20023canonicalubuntu_linux+6EPSS score2.50%
LibVNC before 8b06f835e259652b0ff026898014fc7297ade858 contains CWE-665: Improper Initialization vulnerability in VNC Repeater client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLRCVE-2018-20022canonicalubuntu_linux+10EPSS score2.94%
LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLRCVE-2018-20019canonicalubuntu_linux+11EPSS score9.47%
LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code executionCVE-2018-20748canonicalubuntu_linux+13EPSS score3.26%
LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete.CVE-2018-20020canonicalubuntu_linux+9EPSS score8.62%
LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code executionCVE-2018-20024canonicalubuntu_linux+8EPSS score3.17%
LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS.CVE-2018-15127canonicalubuntu_linux+14EPSS score15.09%
LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code executionCVE-2018-15126canonicalubuntu_linux+4EPSS score11.81%
LibVNC before commit 73cb96fec028a576a5a24417b57723b55854ad7b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code executionCVE-2018-6307canonicalubuntu_linux+4EPSS score26.54%
LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution.CVE-2020-14398canonicalubuntu_linux+13EPSS score2.76%
An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.CVE-2020-14396canonicalubuntu_linux+12EPSS score2.57%
An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.CVE-2020-14402canonicalubuntu_linux+13EPSS score1.89%
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.CVE-2020-14403canonicalubuntu_linux+13EPSS score1.61%
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.CVE-2020-14404canonicalubuntu_linux+13EPSS score1.59%
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.CVE-2020-14405canonicalubuntu_linux+12EPSS score1.87%
An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.CVE-2020-14397canonicalubuntu_linux+14EPSS score3.39%
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.