CVE-2021-3474 Integer overflow in OpenEXR

What is CVE-2021-3474?

CVE-2021-3474 is a medium-severity vulnerability in Debian Debian Linux, published on 30 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There's a flaw in OpenEXR in versions before 3.0.0-beta. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.

Weakness: CWE-190

Which versions are affected by CVE-2021-3474?

It affects 2 products.

Products include Debian Debian Linux, Openexr Openexr.

How do I fix CVE-2021-3474?

Upgrade to a fixed version.

Is CVE-2021-3474 being exploited?

There is no known exploitation of CVE-2021-3474 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-44640, DEBIAN-CVE-2021-3474, GHSA-7qrq-27q3-6362, UBUNTU-CVE-2021-3474.