CVE-2021-20304

High

Description

A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.

SeverityHigh

CVSS7.5

Exploit probability—

ProductOpenexr

PublishedAug 23, 2022

First seenAug 23, 2022

Weakness typeCWE-190Integer overflow

How to fix

Vendor advisories

security.gentoo.org/glsa/202210-31

Affected products

Product	Affected versions	Fixed in
openexr openexr	v ≤ 2.5.7	—

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