CVE-2018-7648

Name	CVE-2018-7648
Description	An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0. The output prefix was not checked for length, which could overflow a buffer, when providing a prefix with 50 or more characters on the command line.
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)
NVD severity	high (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openjpeg2 (PTS)	jessie	2.1.0-2+deb8u3	vulnerable
	jessie (security)	2.1.0-2+deb8u7	vulnerable
	stretch (security), stretch	2.1.2-1.1+deb9u3	vulnerable
	bullseye, sid, buster	2.3.0-2	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openjpeg2	source	(unstable)	(unfixed)	unimportant

Notes

https://github.com/kbabioch/openjpeg/commit/6d8c0c06ee32dc03ba80acd48334e98728e56cf5
https://github.com/uclouvain/openjpeg/issues/1088
The Debian package is built with -DBUILD_MJ2:BOOL=OFF