The psh_glyph_find_strong_points function in pshinter/pshalgo.c in FreeType before 2.4.0 does not properly implement hinting masks, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) or possibly execute arbitrary code via a crafted font file that triggers an invalid free operation.
| Product | Vendor | Version |
|---|---|---|
| n/a | n/a | 16.9.4 |
| n/a | n/a | 3.2.1 |