CVE-2017-5953

Name	CVE-2017-5953
Description	vim before patch 8.0.0322 does not properly validate values for tree length when handling a spell file, which may result in an integer overflow at a memory allocation site and a resultant buffer overflow.
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)
References	DLA-822-1, DSA-3786-1
NVD severity	high (attack range: remote)
Debian Bugs	854969

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
neovim (PTS)	stretch	0.1.7-4	fixed
	buster, sid	0.3.4-1	fixed
vim (PTS)	jessie	2:7.4.488-7+deb8u3	fixed
	jessie (security)	2:7.4.488-7+deb8u2	fixed
	stretch	2:8.0.0197-4+deb9u1	fixed
	buster, sid	2:8.1.0875-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
neovim	source	(unstable)	0.1.7-4	high
vim	source	(unstable)	2:8.0.0197-2	high		854969
vim	source	jessie	2:7.4.488-7+deb8u2	high	DSA-3786-1
vim	source	wheezy	2:7.3.547-7+deb7u2	high	DLA-822-1

Fixed by https://github.com/vim/vim/commit/399c297aa93afe2c0a39e2a1b3f972aebba44c9d