CVE-2019-12439

Name	CVE-2019-12439
Description	bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	923557

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
bubblewrap (PTS)	stretch	0.1.7-1	vulnerable
	buster	0.3.1-4	fixed
	bullseye	0.4.1-3	fixed
	bookworm (security), bookworm	0.8.0-2+deb12u1	fixed
	sid, trixie	0.11.0-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
bubblewrap	source	(unstable)	0.3.1-3	unimportant		923557

https://github.com/projectatomic/bubblewrap/issues/304
Negligable security impact