PYSEC-2026-3451

vendorUSosv
view advisory published 2026-07-14Licence: CC-BY-4.0

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.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-59199US——
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…
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