VULNERABILITY INTELLIGENCE

CVE-2026-59199

CVSS score7.5 HIGH

EPSS probability0.39%

CISA KEVNot currently listed

Published2026-07-14

Last modified2026-10-24

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

security-advisories@github.com: CWE-190
nvd@nist.gov: CWE-787

Primary references

security-advisories@github.com — Patch
security-advisories@github.com — Exploit, Issue Tracking, Patch
security-advisories@github.com — Release Notes
security-advisories@github.com — Exploit, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Exploit, Vendor Advisory