CVE-2020-27774

Name: CVE-2020-27774
Creator: NVD / NIST
Published: 2020-12-04T21:15:12.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 1.12%

Last modified Jun 17, 2026

CVE-2020-27774 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. A flaw was found in ImageMagick in MagickCore/statistic.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of a too large shift for 64-bit type `ssize_t`. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

A flaw was found in ImageMagick in MagickCore/statistic.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of a too large shift for 64-bit type `ssize_t`. 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.

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

EPSS Probability

1.12%

62.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Imagemagick	Imagemagick	< 6.9.10-69
Imagemagick	Imagemagick	>= 7.0.0-0, < 7.0.9-0
Redhat	Enterprise Linux	5.0
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Debian	Debian Linux	9.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1898296Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00030.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html
https://bugzilla.redhat.com/show_bug.cgi?id=1898296Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00030.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html

Timeline

Published: Dec 4, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27774?

How severe is CVE-2020-27774?

CVE-2020-27774 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27774?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27774?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST