CVE-2018-20195

Name	CVE-2018-20195
Description	A NULL pointer dereference was discovered in ic_predict of libfaad/ic_predict.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.
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	DSA-4522-1
NVD severity	medium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
faad2 (PTS)	jessie	2.7-8+deb8u1	vulnerable
	jessie (security)	2.7-8+deb8u3	fixed
	stretch	2.8.0~cvs20161113-1+deb9u1	vulnerable
	stretch (security)	2.8.0~cvs20161113-1+deb9u2	fixed
	buster	2.8.8-3	fixed
	bullseye, sid	2.9.0-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
faad2	source	(unstable)	2.8.8-2	low
faad2	source	jessie	2.7-8+deb8u2	medium
faad2	source	stretch	2.8.0~cvs20161113-1+deb9u2	medium	DSA-4522-1

https://github.com/knik0/faad2/issues/25
https://github.com/knik0/faad2/commit/466b01d504d7e45f1e9169ac90b3e34ab94aed14