XEmacs Multiple Buffer Overflow Vulnerabilities (Win)

Summary
The host is installed with XEmacs and is prone to multiple Buffer Overflow vulnerabilities.
Impact
Attackers can exploit this issue to execute arbitrary code in the context of affected application, and can cause denial of service. Impact Level: Application
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
Error exists when 'tiff_instantiate' function processing a crafted TIFF file, 'png_instantiate' function processing a crafted PNG file, 'jpeg_instantiate' function processing a crafted JPEG file in the glyphs-eimage.c script that can be exploited to cause a heap-based buffer overflow.
Affected
XEmacs version 21.4.22 and prior on Windows.
References