CVE-2021-25289

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CVSS 3.1

9.8 critical

EPSS

2%p82

Published

Mar 19, 2021 (Mar 19, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in Pillow before 8.1.1. TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode. NOTE: this issue exists because of an incomplete fix for CVE-2020-35654.

Vendors: python
Products: pillow
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.3%)

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