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CVE-2017-1000044

gtk-vnc: Incorrect boundaries check when updating framebuffer

gtk-vnc 0.4.2 and older doesn't check framebuffer boundaries correctly when updating framebuffer which may lead to memory corruption when rendering

CVSS 3.0 · 9.8 Critical EPSS 1.6% KEV · Not listed
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CVE-2017-5884

gtk-vnc: Improper check of framebuffer boundaries when processing a tile

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) hextile, or (3) copyrect tile.

CVSS 3.0 · 7.8 High EPSS 2.3% KEV · Not listed
CVE-2017-5885

gtk-vnc: Integer overflow when processing SetColorMapEntries

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 execute arbitrary code via vectors involving SetColorMapEntries, which triggers a buffer overflow.

CVSS 3.0 · 9.8 Critical EPSS 5.0% KEV · Not listed