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CVE-2026-59199

Pillow: Heap out-of-bounds write `Image.paste()` / `Image.crop()` via signed coordinate overflow PUBLISHED

Description (CNA)

Pillow is a Python imaging library. Prior to 12.3.0, Pillow public image coordinate APIs can trigger a native heap out-of-bounds write when given coordinates near the signed 32-bit integer limits in Image.paste(), Image.crop(), or Image.alpha_composite(). This issue is fixed in version 12.3.0.

Affected (CNA)

Vendor / productVersions
python-pillow / Pillowaffected < 12.3.0

CWE

CWE-190, CWE-787

References

ADP enrichment

CISA-ADP

No English description supplied.