In ImageMagick 7.0.7-16 Q16 x86_64 2017-12-21, there is a heap-based buffer over-read in ReadOneMNGImage in coders/png.c, related to length calculation and caused by an off-by-one error.
https://www.debian.org/security/2018/dsa-4204
https://www.debian.org/security/2017/dsa-4074
https://usn.ubuntu.com/3681-1/
https://lists.debian.org/debian-lts-announce/2018/01/msg00000.html
http://www.securityfocus.com/bid/102305
https://github.com/ImageMagick/ImageMagick/issues/906
Source: Mitre, NVD
Published: 2017-12-27
Updated: 2025-04-20
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
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
Severity: High
EPSS: 0.00685