An issue was discovered in Poppler 0.71.0. There is a reachable abort in Object.h, will lead to denial of service because EmbFile::save2 in FileSpec.cc lacks a stream check before saving an embedded file.
https://usn.ubuntu.com/3837-1/
https://lists.debian.org/debian-lts-announce/2022/09/msg00030.html
https://lists.debian.org/debian-lts-announce/2020/11/msg00014.html
https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html