Cairo through 1.18.4, as used in Poppler through 25.08.0, has an "unscaled->face == NULL" assertion failure for _cairo_ft_unscaled_font_fini in cairo-ft-font.c.
Exploitability
AV:LAC:HPR:NUI:NScope
S:UImpact
C:NI:NA:L2.9/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LOther