CVE-2018-20712

Name	CVE-2018-20712
Description	A heap-based buffer over-read exists in the function d_expression_1 in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31.1. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by c++filt.
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	vulnerable
	bookworm	2.40-2	vulnerable
	sid, trixie	2.43.1-5	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
binutils	source	(unstable)	(unfixed)	unimportant

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629
https://sourceware.org/bugzilla/show_bug.cgi?id=24043
binutils not covered by security support