CVE-2026-54060

highCVSS 7.5covered by 1 sourcefirst seen 2026-07-06

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.

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Exploitation outlook

Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-54060: Pillow is a Python imaging library. Prior to 12.3.0, PIL/FontFile.py FontFile.compile() assemb…nvd · 2026-07-06

External references

NVD record for CVE-2026-54060

CVE.org record

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