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 0.018
EPSS Ranking 75.5%