An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function and the imagesize variable.
https://usn.ubuntu.com/4513-1/
https://lists.debian.org/debian-lts-announce/2020/03/msg00039.html
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854367
Source: Mitre, NVD
Published: 2017-03-17
Updated: 2025-04-20
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.00358