CVE-2021-28678

Medium

Description

An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be run a large number of times on empty data.

SeverityMedium

CVSS5.5

Exploit probability—

Product

Python Pillow

PublishedJun 2, 2021

First seenJun 2, 2021

How to fix

Update

python pillow8.2.0 or later
pillow8.2.0 or later

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/
security.gentoo.org/glsa/202107-33

Affected products

Product	Affected versions	Fixed in
python pillow	v < 8.2.0	8.2.0
fedoraproject fedora	33	—
pillowPyPI	5.1.0 ≤ v < 8.2.0, v < 8.2.0	8.2.0

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