PYSEC-2026-2253

Pillow is a Python imaging library. Prior to 12.3.0, PIL/PcfFontFile.py loadbitmaps read glyph dimensions from the PCF METRICS section and passed them directly to Image.frombytes without calling Image.decompressionbombcheck, allowing crafted PCF font data to cause excessive memory allocation. Thi...

freetype: heap buffer over-read in PCF parser pcf_get_properties() (#35603)

FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, allows remote attackers to cause a denial of service invalid heap read operation and memory corruption or possibly execute arbitrary code via crafted property data in a PCF font...