Libvnc Project · product
LibVNCServer
19 CVEs
Every dot is a CVE in what this vendor ships; the named ones are the most at risk.
Every one of the 19 is a mark on the map. Named now: 1 to 19, most at risk first.
- LibVNCServer httpd proxy NULL Pointer Dereference
- libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.
- An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.
- 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.
- 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.
- 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.
- An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.
- 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.
- An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.
- 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 over…
- 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.
- An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.
- An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.
- An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.
- An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.
- LibVNCServer 0.9.12 release and earlier contains heap buffer overflow vulnerability within the HandleCursorShape() function in libvncclient/cursor.c. An attacker sends cursor shap…
- LibVNCServer UltraZip Encoding Heap Out-of-bounds Read
- libvncclient Tight decoder has an attacker-controlled heap out-of-bounds write
- LibVNCClient Tight Gradient decoding allows malicious server-triggered heap/stack OOB writes
exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it
Zoom in on the map and the dots under the middle of it are named where they are.
Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-15 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.