An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow in the main function. It allows an attacker to write 2 bytes outside the boundaries of the buffer.
https://lists.debian.org/debian-lts-announce/2022/03/msg00008.html
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002687
Source: Mitre, NVD
Published: 2021-12-28
Updated: 2022-03-24
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High