The mng_get_long function in coders/png.c in ImageMagick 7.0.6-0 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted MNG image.
https://github.com/ImageMagick/ImageMagick/issues/538
http://www.securityfocus.com/bid/99496
https://www.debian.org/security/2018/dsa-4204
https://usn.ubuntu.com/3681-1/
Source: Mitre, NVD
Published: 2017-07-07
Updated: 2025-04-20
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.00121