CVE-2026-116723
HIGH
NVD
CVSS Score
7.8
Severity
HIGH
Published
Oct 26, 2026
Vendor
unknown
Description
FLTK through 1.4.5 contains a stack-based buffer overflow vulnerability in Fl_BMP_Image::load_bmp_() that allows attackers to corrupt stack memory by supplying an oversized BMP colors_used field. Attackers can craft BMP or ICO files with colors_used above 256 to overflow the 768-byte colormap array, causing crashes or potential code execution.