CVE-2021-3477

Medium

Description

There's a flaw in OpenEXR's deep tile sample size calculations in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, subsequently leading to an out-of-bounds read. The greatest risk of this flaw is to application availability.

SeverityMedium

CVSS5.5

Exploit probability—

Product

Openexr

PublishedMar 31, 2021

First seenMar 31, 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	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.