CVE-2018-20431

Name	CVE-2018-20431
Description	GNU Libextractor through 1.8 has a NULL Pointer Dereference vulnerability in the function process_metadata() in plugins/ole2_extractor.c.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-1616-1, DSA-4361-1
Debian Bugs	917213

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libextractor (PTS)	buster	1:1.8-2+deb10u1	fixed
	bullseye	1:1.11-2	fixed
	bookworm, sid	1:1.11-7	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
libextractor	source	jessie	1:1.3-2+deb8u4	DLA-1616-1
libextractor	source	stretch	1:1.3-4+deb9u3	DSA-4361-1
libextractor	source	(unstable)	1:1.8-2		917213

https://gnunet.org/bugs/view.php?id=5494
https://git.gnunet.org/libextractor.git/commit/?id=489c4a540bb2c4744471441425b8932b97a153e7