What’s Vulnerable › Vulnerabilities

CVE-2021-3962

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-19 · updated 2026-06-17
• Weakness: CWE-416

Description

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.

Affected products

• ImageMagick: 7.1.0-14

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2023196
• https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e
• https://github.com/ImageMagick/ImageMagick/issues/4446
• https://bugzilla.redhat.com/show_bug.cgi?id=2023196
• https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e
• https://github.com/ImageMagick/ImageMagick/issues/4446

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