Integer overflow in Imagemagick
CVE-2021-20312
A flaw was found in ImageMagick in versions 7.0.11, where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.
Vulnerability class: Integer Overflow
EPSS: 0.024 (82.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Imagemagick
- Debian Debian_linux — versions 9.0
- N/a Imagemagick — versions ImageMagick 7.0.11
Weakness classification (CWE)
References
- secalert@redhat.com (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-2021-20312?
- CVE-2021-20312 is a high-severity vulnerability in Imagemagick, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2021-05-11.
- How severe is CVE-2021-20312?
- High severity. CVSS v3 base score is 7.5 out of 10.