Integer overflow in Imagemagick
CVE-2020-27766
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 values outside the range of type `unsigned long`. 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 7.0.8-69.
Vulnerability class: Integer Overflow
EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Imagemagick
- Debian Debian_linux — versions 9.0
- N/a Imagemagick — versions ImageMagick 7.0.8-69
Weakness classification (CWE)
References
- secalert@redhat.com (Exploit, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (mailing-list)
Frequently asked questions
- What is CVE-2020-27766?
- CVE-2020-27766 is a high-severity vulnerability in Imagemagick, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2020-12-04.
- How severe is CVE-2020-27766?
- High severity. CVSS v3 base score is 7.8 out of 10.