CVE-2020-27767 Integer overflow in ImageMagick

What is CVE-2020-27767?

CVE-2020-27767 is a low-severity vulnerability in Debian Debian Linux, published on 4 Dec 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A flaw was found in ImageMagick in MagickCore/quantum.h. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of values outside the range of types `float` and `unsigned char`. This would most likely lead to an impact to application availability, but could potentially cause other problems related to undefined behavior. This flaw affects ImageMagick versions prior to 7.0.9-0.

Weakness: CWE-190

Which versions are affected by CVE-2020-27767?

It affects 3 products.

Products include Debian Debian Linux, Imagemagick Imagemagick, Redhat Enterprise Linux.

How do I fix CVE-2020-27767?

Upgrade to a fixed version.

Is CVE-2020-27767 being exploited?

There is no known exploitation of CVE-2020-27767 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 CLSA-2024-1732555093, DEBIAN-CVE-2020-27767, GHSA-3j96-2fmw-98f4, JLSEC-2026-865, UBUNTU-CVE-2020-27767.