CVE-2021-25292

Medium

Description

An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Python Pillow

PublishedMar 19, 2021

First seenMar 19, 2021

How to fix

Update

python pillow8.1.1 or later
pillow8.1.1 or later

Vendor advisories

security.gentoo.org/glsa/202107-33

Affected products

Product	Affected versions	Fixed in
python pillow	v < 8.1.1	8.1.1
pillowPyPI	5.1.0 ≤ v < 8.1.1, v < 8.1.1	8.1.1

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