A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw in elfutils 0.175. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by eu-nm.
https://usn.ubuntu.com/4012-1/
https://sourceware.org/ml/elfutils-devel/2019-q1/msg00068.html
https://sourceware.org/bugzilla/show_bug.cgi?id=24102
https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html