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Package · Debian

libvncserver

45 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 6.3
    CVE-2026-32854

    LibVNCServer httpd proxy NULL Pointer Dereference

    LibVNCServer versions 0.9.15 and prior (fixed in commit dc78dee) contain null pointer dereference vulnerabilities in the HTTP proxy handlers within httpProcessInput() in httpd.c that allow remote attackers to cause a denial of service by sending specially cra…

    LibVNC libvncserver libvncserver libvncserver Debian Ubuntu
  • Medium 6.9
    CVE-2026-32853

    LibVNCServer UltraZip Encoding Heap Out-of-bounds Read

    LibVNCServer versions 0.9.15 and prior (fixed in commit 009008e) contain a heap out-of-bounds read vulnerability in the UltraZip encoding handler that allows a malicious VNC server to cause information disclosure or application crash. Attackers can exploit im…

    LibVNC libvncserver libvncserver libvncserver Debian Ubuntu