The xps_true_callback_glyph_name function in xps/xpsttf.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service (Segmentation Violation and application crash) via a crafted file.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 41.7%