PT-2026-55962
CVE-2026-54059
·
Published
2026-06-23
·
Updated
2026-11-04
Description by
CVSS 2.0
7.8
HighMetricsAV:N/AC:L/Au:N/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions
Pillow versions prior to 12.3.0
Description
In the
load bitmaps() function within PIL/PcfFontFile.py, glyph dimensions are read from the PCF METRICS section and passed to Image.frombytes() without invoking Image. decompression bomb check(). This allows specially crafted PCF font data to trigger excessive memory allocation, potentially leading to a denial of service.Recommendations
Update to version 12.3.0.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
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