Gnome Gtk-Vnc vulnerabilities

3 CVEs affecting Gnome Gtk-Vnc, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2017-1000044, published 2017-07-17.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2017-5885, published 2017-02-28. Critical severity, CVSS 9.8. EPSS: 5% chance of exploitation in the next 30 days. Multiple integer overflows in the (1) vnc_connection_server_message and (2) vnc_color_map_set functions in gtk-vnc before 0.7.0 allow remote servers to cause a denial of service (crash) or possibly…
CVE-2017-5884, published 2017-02-28. High severity, CVSS 7.8. EPSS: 2.3% chance of exploitation in the next 30 days. gtk-vnc before 0.7.0 does not properly check boundaries of subrectangle-containing tiles, which allows remote servers to execute arbitrary code via the src x, y coordinates in a crafted (1) rre, (2)…
CVE-2017-1000044, published 2017-07-17. Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days. gtk-vnc 0.4.2 and older doesn't check framebuffer boundaries correctly when updating framebuffer which may lead to memory corruption when rendering