CVE-2018-5727

Name	CVE-2018-5727
Description	In OpenJPEG 2.3.0, there is an integer overflow vulnerability in the opj_t1_encode_cblks function (openjp2/t1.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.
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	medium (attack range: remote)
Debian Bugs	888532

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+deb8u6	vulnerable
	stretch	2.1.2-1.1+deb9u2	vulnerable
	stretch (security)	2.1.2-1.1+deb9u3	vulnerable
	buster, sid	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		888532

Notes

https://github.com/uclouvain/openjpeg/issues/1053
ubsan error (integer overflow), no security impact per se and unlikely
to trigger any security relevant issue