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Libvnc Project

24 known vulnerabilities

8
CRITICAL
12
HIGH
4
MEDIUM

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libvncserver 24
24 CVEs
6.5
CVE-2020-14405

An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.

5.4
CVE-2020-14404

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

5.4
CVE-2020-14403

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

5.4
CVE-2020-14402

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

7.5
CVE-2020-14398

An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in li

7.5
CVE-2020-14397

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.

7.5
CVE-2020-14396

An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.

7.5
CVE-2019-20840

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned

7.5
CVE-2019-20839

libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.

7.5
CVE-2018-21247

An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) i

9.8
CVE-2019-20788

libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer over

7.5
CVE-2019-15681

LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which

9.8
CVE-2018-20750

LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-201

9.8
CVE-2018-20749

LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018

9.8
CVE-2018-20748

LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for

8.1
CVE-2018-6307

LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code

7.5
CVE-2018-20024

LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that

7.5
CVE-2018-20023

LibVNC before 8b06f835e259652b0ff026898014fc7297ade858 contains CWE-665: Improper Initialization vulnerability in VNC Re

7.5
CVE-2018-20022

LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vul

7.5
CVE-2018-20021

LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC cli

9.8
CVE-2018-20020

LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside stru

9.8
CVE-2018-20019

LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities

9.8
CVE-2018-15127

LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server c

9.8
CVE-2018-15126

LibVNC before commit 73cb96fec028a576a5a24417b57723b55854ad7b contains heap use-after-free vulnerability in server code

Frequently Asked Questions

How many CVEs affect Libvnc Project?

Libvnc Project has 24 CVE records in our database, including 8 critical and 12 high severity vulnerabilities.

What are the most severe Libvnc Project vulnerabilities?

Libvnc Project has 8 critical severity (CVSS 9.0+) and 12 high severity (CVSS 7.0-8.9) vulnerabilities. Review the list above sorted by publication date to find the most recent high-severity issues.

How can I scan for Libvnc Project vulnerabilities?

CyberStrike's AI-powered security agents automatically detect vulnerabilities in Libvnc Project products across your infrastructure. The platform provides continuous pentesting, DAST scanning, and real-time vulnerability monitoring with actionable remediation guidance.

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