CVE-2018-18751

Name	CVE-2018-18751
Description	An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	913173

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
gettext (PTS)	jessie	0.19.3-2	vulnerable
	stretch	0.19.8.1-2+deb9u1	vulnerable
	buster	0.19.8.1-9	fixed
	bullseye	0.21-4	fixed
	bookworm	0.21-12	fixed
	sid, trixie	0.21-14	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
gettext	source	(unstable)	0.19.8.1-9	unimportant		913173

https://git.savannah.gnu.org/gitweb/?p=gettext.git;a=commitdiff;h=dce3a16e5e9368245735e29bf498dcd5e3e474a4
Negligible security impact