CVE-2018-20673

Name	CVE-2018-20673
Description	The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, contains an integer overflow vulnerability (for "Create an array for saving the template argument values") that can trigger a heap-based buffer overflow, as demonstrated by nm.
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)	jessie, jessie (lts)	2.25-5+deb8u2	vulnerable
	stretch (lts), stretch	2.28-5+deb9u1	vulnerable
	buster, buster (lts)	2.31.1-16+deb10u1	vulnerable
	bullseye	2.35.2-2	vulnerable
	bookworm	2.40-2	vulnerable
	trixie	2.43.50.20241215-1	vulnerable
	sid	2.43.50.20241221-1	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://sourceware.org/bugzilla/show_bug.cgi?id=24039
binutils not covered by security support