Integer overflow in Imagemagick
CVE-2020-27767
A flaw was found in ImageMagick in MagickCore/quantum.h. 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 types `float` and `unsigned char`. 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.
Vulnerability class: Integer Overflow
EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
Affected products
- Imagemagick
- Debian Debian_linux — versions 9.0
- Redhat Enterprise_linux — versions 5.0, 6.0, 7.0
- N/a Imagemagick — versions ImageMagick 7.0.9-0
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-2020-27767?
- CVE-2020-27767 is a low-severity vulnerability in Imagemagick, classified under Integer Overflow or Wraparound. CVSS score: 3.3/10. Published 2020-12-04.
- How severe is CVE-2020-27767?
- Low severity. CVSS v3 base score is 3.3 out of 10.