CVE-2015-7855

Name	CVE-2015-7855
Description	The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-335-1, DSA-3388-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ntp (PTS)	buster	1:4.2.8p12+dfsg-4	fixed
	bullseye	1:4.2.8p15+dfsg-1	fixed

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

Package	Type	Release	Fixed Version	Origin
ntp	source	squeeze	1:4.2.6.p2+dfsg-1+deb6u4	DLA-335-1
ntp	source	wheezy	1:4.2.6.p5+dfsg-2+deb7u6	DSA-3388-1
ntp	source	jessie	1:4.2.6.p5+dfsg-7+deb8u1	DSA-3388-1
ntp	source	(unstable)	1:4.2.8p4+dfsg-1

Notes

http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_Security_Vulner
https://github.com/ntp-project/ntp/commit/ba716a464ecb20618560075f2e4e1051e5b6f24f