CVE-2026-54060
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Jul 06, 2026
Vendor
unknown
Description
Pillow is a Python imaging library. Prior to 12.3.0, PIL/FontFile.py FontFile.compile() assembled per-glyph images into a combined bitmap with Image.new("1", (xsize, ysize)) without calling Image._decompression_bomb_check(), allowing a font to trigger excessive allocation during conversion or saving. This issue is fixed in version 12.3.0.