CVE-2021-3476

Medium

Description

A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.

SeverityMedium

CVSS5.3

Exploit probability—

Product

Openexr

PublishedMar 30, 2021

First seenMar 30, 2021

Weakness typeCWE-190Integer overflow

How to fix

Update

openexr openexr2.4.3, 2.5.4 or later

Vendor advisories

security.gentoo.org/glsa/202107-27

Affected products

Product	Affected versions	Fixed in
openexr openexr	v < 2.4.3, 2.5.0 ≤ v < 2.5.4	2.4.3, 2.5.4
debian debian_linux	9.0, 10.0	—

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