Out of bounds read in Pillow

HIGH 7.5CVE-2021-25291 · BIT-pillow-2021-25291 · GHSA-mvg9-xffr-p774 · Published 19/03/2021 · updated 17/06/2026

Package	Affected versions	Patched versions
pillow PyPI	`< 8.1.1< 8.2.0`	`8.1.18.2.0`
pillow python	`< 8.1.1`	`8.1.1`

Description

An issue was discovered in Pillow before 8.2.0. In TiffDecode.c, there is an out-of-bounds read in TiffreadRGBATile via invalid tile boundaries.

NVD description

An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is an out-of-bounds read in TiffreadRGBATile via invalid tile boundaries.

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