CVE-2021-25291

7.5 highEPSS 1.4%

High (7.5) in python pillow. EPSS 1.4% chance of exploitation in the next 30 days. Fixed in pillow 8.1.1, 8.2.0.

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.

Severity

7.5 high

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

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2021-03-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-mvg9-xffr-p774	PyPI	pillow	<8.2.0	8.2.0
PYSEC-2021-37	PyPI	pillow	<8.1.1	8.1.1