Integer signedness error in bspatch.c in bspatch in bsdiff, as used in Apple OS X before 10.11.6 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via a crafted patch file.
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00026.html
https://android.googlesource.com/platform/external/bsdiff/+/4d054795b673855e3a7556c6f2f7ab99ca509998
https://bugs.chromium.org/p/chromium/issues/detail?id=372525
http://seclists.org/fulldisclosure/2020/Jul/8
https://lists.debian.org/debian-lts-announce/2019/11/msg00028.html
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:25.bspatch.asc
https://security.gentoo.org/glsa/202003-44
https://support.apple.com/HT206903
https://usn.ubuntu.com/4500-1/