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CVE-2021-42785

CVE-2021-42785 · Buffer Overflow in tvnviewer.exe via Crafted Packet in TightVNC Viewer 2.8.59

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server.

CVSS 9.8 · Critical · EPSS 2.3%

Published
Updated

Stack: system

Affected products and versions

  • tightvnc viewer

    Versions
    • ≥ 2.8.59, ≤ 2.8.59: Affected (custom)

    No fix published

  • tightvnc Ubuntu:16.04:LTS

    Versions
    • 1.3.10-0ubuntu2
    • 1.3.10-0ubuntu3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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