CVE-2021-3596 Null dereference in ImageMagick

What is CVE-2021-3596?

CVE-2021-3596 is a medium-severity vulnerability in Debian Debian Linux, published on 24 Feb 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A NULL pointer dereference flaw was found in ImageMagick in versions prior to 7.0.10-31 in ReadSVGImage() in coders/svg.c. This issue is due to not checking the return value from libxml2's xmlCreatePushParserCtxt() and uses the value directly, which leads to a crash and segmentation fault.

Weakness: CWE-476

Which versions are affected by CVE-2021-3596?

It affects 4 products.

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

How do I fix CVE-2021-3596?

Upgrade to a fixed version.

Is CVE-2021-3596 being exploited?

There is no known exploitation of CVE-2021-3596 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 DEBIAN-CVE-2021-3596, GHSA-8jv5-qv7g-fm4r, JLSEC-2026-889.