Libvncserver Project Libvncserver vulnerabilities

• libvnc libvncserver LibVNCServer httpd proxy NULL Pointer Dereference CVE-2026-32854 Fix available 6.3 MediumMarch 24, 2026
• libvnc libvncserver LibVNCServer UltraZip Encoding Heap Out-of-bounds Read CVE-2026-32853 Fix available 6.9 MediumMarch 24, 2026
• debian linux, libvncserver project libvncserver +1 more libvncclient v0.9.13 was discovered to contain a memory leak via the function rfbClientCleanup(). CVE-2020-29260 Fix available 7.5 HighSeptember 2, 2022
• libvnc libvncserver, debian linux, redhat enterprise linux +2 more A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use... CVE-2020-25708 Fix available 7.5 HighNovember 13, 2020
• libvncserver project libvncserver, canonical ubuntu linux, fedoraproject fedora +7 more +9 more It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode... CVE-2017-18922 Fix available 9.8 CriticalJune 30, 2020
• libvncserver project libvncserver, canonical ubuntu linux, debian linux +1 more +3 more An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through... CVE-2020-14399 Fix availableDisputed 7.5 HighJune 17, 2020
• libvncserver project libvncserver, canonical ubuntu linux, debian linux +1 more +3 more An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through... CVE-2020-14400 Fix availableDisputed 7.5 HighJune 17, 2020
• libvncserver project libvncserver, debian linux, opensuse leap +6 more +8 more An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value... CVE-2020-14401 Fix available 6.5 MediumJune 17, 2020
• libvncserver project libvncserver, fedoraproject fedora +1 more A NULL pointer dereference flaw was found in the way LibVNCServer before 0.9.9 handled certain... CVE-2010-5304 7.5 HighFebruary 5, 2020
• libvncserver project libvncserver, canonical ubuntu linux, debian linux +6 more +8 more An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in... CVE-2018-7225 Fix available 9.8 CriticalFebruary 19, 2018
• libvncserver project libvncserver Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote... CVE-2016-9942 Fix available 9.8 CriticalDecember 31, 2016
• libvncserver project libvncserver Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before 0.9.11 allows... CVE-2016-9941 Fix available 9.8 CriticalDecember 31, 2016