LLibVNC

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Exploited and recent CVEs

• CVE-2026-50538 High 8.8 libvncclient Tight decoder has an attacker-controlled heap out-of-bounds write 0.4%
• CVE-2026-44988 High 8.8 LibVNCClient Tight Gradient decoding allows malicious server-triggered heap/stack OOB writes 0.2%
• CVE-2026-32854 Medium 6.3 LibVNCServer httpd proxy NULL Pointer Dereference 5.4%
• CVE-2026-32853 Medium 6.9 LibVNCServer UltraZip Encoding Heap Out-of-bounds Read 0.4%