CVE-2020-14340

Name	CVE-2020-14340
Description	A vulnerability was discovered in XNIO where file descriptor leak caused by growing amounts of NIO Selector file handles between garbage collection cycles. It may allow the attacker to cause a denial of service. It affects XNIO versions 3.6.0.Beta1 through 3.8.1.Final.
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

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
jboss-xnio (PTS)	stretch	3.4.3-1	fixed
	buster	3.7.0-1	vulnerable
	bullseye, sid	3.8.4-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
jboss-xnio	source	stretch	(not affected)
jboss-xnio	source	(unstable)	3.8.2-1

Notes

[buster] - jboss-xnio <no-dsa> (Minor issue)
[stretch] - jboss-xnio <not-affected> (vulnerable code is not present)
Fix for 3.8: https://github.com/xnio/xnio/pull/233
Fix for 3.7 (Buster): https://github.com/xnio/xnio/pull/234