Provide references for CVE-2018-7640.
Where can I find more information about CVE-2018-7640?
References are available at: https://github.com/dtschump/CImg/issues/185, https://lists.debian.org/debian-lts-announce/2019/09/msg00030.html, https://lists.debian.org/debian-lts-announce/2020/10/msg00033.html.