CVE-2021-20299 Null dereference in OpenEXR

What is CVE-2021-20299?

CVE-2021-20299 is a high-severity vulnerability in Debian Debian Linux, published on 16 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

Weakness: CWE-476

Which versions are affected by CVE-2021-20299?

It affects 2 products.

Products include Debian Debian Linux, Openexr Openexr.

How do I fix CVE-2021-20299?

Apply the vendor's patch.

Is CVE-2021-20299 being exploited?

There is no known exploitation of CVE-2021-20299 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-62327, DEBIAN-CVE-2021-20299, GHSA-xq9j-995w-vvw2, OESA-2022-1605, UBUNTU-CVE-2021-20299.