CVE-2017-15939

Name	CVE-2017-15939
Description	dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles NULL files in a .debug_line file table, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename. NOTE: this issue is caused by an incomplete fix for CVE-2017-15023.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
binutils (PTS)	bullseye	2.35.2-2	fixed
	bookworm	2.40-2	fixed
	sid, trixie	2.43.1-5	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
binutils	source	(unstable)	(not affected)

Notes

- binutils <not-affected> (Incomplete fix not applied)
https://sourceware.org/bugzilla/show_bug.cgi?id=22205
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a54018b72d75abf2e74bf36016702da06399c1d9
https://blogs.gentoo.org/ago/2017/10/24/binutils-null-pointer-dereference-in-concat_filename-dwarf2-c-incomplete-fix-for-cve-2017-15023/