Out-of-bounds Write in Pillow

HIGH 7.5CVE-2021-25290 · BIT-pillow-2021-25290 · GHSA-8xjq-8fcg-g5hw · Published 19/03/2021 · updated 17/06/2026

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

Description

An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is a negative-offset memcpy with an invalid size.

NVD description

An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is a negative-offset memcpy with an invalid size.

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