Libvnc Project

libvnc_project

24 CVEs • 1 product

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Libvncserver

libvncserver

24 CVEs

CVEs (24)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2020-14405 4Canonical DebianLibvnc Project+1 more 9Debian Linux LibvncserverSimatic Itc1500 Firmware+6 more Nov 21, 2024 Jun 17, 2020 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.
CVE-2020-14404 4Canonical DebianLibvnc Project+1 more 9Debian Linux LibvncserverSimatic Itc1500 Firmware+6 more Nov 21, 2024 Jun 17, 2020 N/A· v4 5.4 MEDIUM· v3 5.5 MEDIUM· v2 An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.
CVE-2020-14403 4Canonical DebianLibvnc Project+1 more 9Debian Linux LibvncserverSimatic Itc1500 Firmware+6 more Nov 21, 2024 Jun 17, 2020 N/A· v4 5.4 MEDIUM· v3 5.5 MEDIUM· v2 An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.
CVE-2020-14402 4Canonical DebianLibvnc Project+1 more 9Debian Linux LibvncserverSimatic Itc1500 Firmware+6 more Nov 21, 2024 Jun 17, 2020 N/A· v4 5.4 MEDIUM· v3 5.5 MEDIUM· v2 An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.
CVE-2020-14398 5Canonical DebianLibvnc Project+2 more 10Debian Linux LeapLibvncserver+7 more Nov 21, 2024 Jun 17, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.
CVE-2020-14397 5Canonical DebianLibvnc Project+2 more 10Debian Linux LeapLibvncserver+7 more Nov 21, 2024 Jun 17, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.
CVE-2020-14396 4Canonical DebianLibvnc Project+1 more 9Debian Linux LibvncserverSimatic Itc1500 Firmware+6 more Nov 21, 2024 Jun 17, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.
CVE-2019-20840 5Canonical DebianLibvnc Project+2 more 10Debian Linux LeapLibvncserver+7 more Nov 21, 2024 Jun 17, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.
CVE-2019-20839 5Canonical DebianLibvnc Project+2 more 10Debian Linux LeapLibvncserver+7 more Nov 21, 2024 Jun 17, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.
CVE-2018-21247 5Canonical DebianLibvnc Project+2 more 10Debian Linux LeapLibvncserver+7 more Nov 21, 2024 Jun 17, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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-2019-20788 4Canonical DebianLibvnc Project+1 more 9Debian Linux LibvncserverSimatic Itc1500 Firmware+6 more Nov 21, 2024 Apr 23, 2020 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.
CVE-2019-15681 4Canonical DebianLibvnc Project+1 more 9Debian Linux LibvncserverSimatic Itc1500 Firmware+6 more Nov 21, 2024 Oct 29, 2019 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with...Show more LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.Show less
CVE-2018-20750 4Canonical DebianLibvnc Project+1 more 9Debian Linux LibvncserverSimatic Itc1500 Firmware+6 more Nov 21, 2024 Jan 30, 2019 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 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-2018-20749 4Canonical DebianLibvnc Project+1 more 9Debian Linux LibvncserverSimatic Itc1500 Firmware+6 more Nov 21, 2024 Jan 30, 2019 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 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-2018-20748 4Canonical DebianLibvnc Project+1 more 9Debian Linux LibvncserverSimatic Itc1500 Firmware+6 more Nov 21, 2024 Jan 30, 2019 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 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-2018-6307 3Canonical DebianLibvnc Project 3Debian Linux LibvncserverUbuntu Linux Nov 21, 2024 Dec 19, 2018 N/A· v4 8.1 HIGH· v3 6.8 MEDIUM· v2 LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution.
CVE-2018-20024 3Canonical DebianLibvnc Project 3Debian Linux LibvncserverUbuntu Linux Nov 21, 2024 Dec 19, 2018 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS.
CVE-2018-20023 3Canonical DebianLibvnc Project 3Debian Linux LibvncserverUbuntu Linux Nov 21, 2024 Dec 19, 2018 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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 disclo...Show more 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 ASLRShow less
CVE-2018-20022 3Canonical DebianLibvnc Project 3Debian Linux LibvncserverUbuntu Linux Nov 21, 2024 Dec 19, 2018 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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 informa...Show more 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 ASLRShow less
CVE-2018-20021 3Canonical DebianLibvnc Project 3Debian Linux LibvncserverUbuntu Linux Nov 21, 2024 Dec 19, 2018 N/A· v4 7.5 HIGH· v3 7.8 HIGH· v2 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 RAM

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