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CVE-2021-3596

6.5 · MEDIUM

A NULL pointer dereference flaw was found in ImageMagick in versions prior to 7.0.10-31 in ReadSVGImage() in coders/svg.c.

Published Feb 24, 2022CWE-476EPSS 1.89%

Overview

CVE-2021-3596 is a medium-severity vulnerability. It was published on February 24, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.redhat.com/show_bug.cgi?id=1970569GitHubgithub.com/ImageMagick/ImageMagick/issues/2624Reflists.debian.org/debian-lts-announce/2022/05/msg00018.htmlReflists.debian.org/debian-lts-announce/2023/03/msg00008.htmlRefbugzilla.redhat.com/show_bug.cgi?id=1970569GitHubgithub.com/ImageMagick/ImageMagick/issues/2624Reflists.debian.org/debian-lts-announce/2022/05/msg00018.htmlReflists.debian.org/debian-lts-announce/2023/03/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2021-3596?

CVE-2021-3596 is a medium-severity vulnerability. It was published on February 24, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2021-3596?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-3596?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-3596?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-3596 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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