CVE-2018-18607

Name	CVE-2018-18607
Description	An issue was discovered in elf_link_input_bfd in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in elf_link_input_bfd when used for finding STT_TLS symbols without any TLS section. A specially crafted ELF allows remote attackers to cause a denial of service, as demonstrated by ld.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
binutils (PTS)	jessie	2.25-5+deb8u1	vulnerable
	stretch	2.28-5	vulnerable
	buster	2.31.1-16	vulnerable
	bullseye	2.35.2-2	fixed
	sid, bookworm	2.40-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
binutils	source	experimental	2.31.51.20181204-1
binutils	source	(unstable)	2.32.51.20190707-1	unimportant

Notes

https://sourceware.org/bugzilla/show_bug.cgi?id=23805
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=102def4da826b3d9e169741421e5e67e8731909a
binutils not covered by security support
[wheezy] - binutils <ignored> (Minor issue)