The ReadTIFFImage function in coders/tiff.c in ImageMagick 7.0.7-26 Q16 does not properly restrict memory allocation, leading to a heap-based buffer over-read.
http://www.securityfocus.com/bid/103523
https://github.com/ImageMagick/ImageMagick/issues/1020
https://lists.debian.org/debian-lts-announce/2020/08/msg00030.html
Source: MITRE
Published: 2018-03-23
Updated: 2020-08-19
Type: CWE-125
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH