CVE-2021-3962
mediumpriority · track · 33EPSS 0.060 · 93 %ileEURUUSEPSS · scored 2026-10-27
A flaw was found in ImageMagick where it did not properly sanitize certain input before using it to invoke convert processes. This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–7.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2021-3962cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2023196cnnvd
- https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525ecnnvd
- https://github.com/ImageMagick/ImageMagick/issues/4446cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021112910cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2023196enisa_euvd
- https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525eenisa_euvd
- https://github.com/ImageMagick/ImageMagick/issues/4446enisa_euvd
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