CVE-2015-1781

Name	CVE-2015-1781
Description	Buffer overflow in the gethostbyname_r and other unspecified NSS functions in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response, which triggers a call with a misaligned buffer.
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)
References	DLA-230-1, DSA-3480-1
NVD severity	medium (attack range: remote)
Debian Bugs	796105

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
glibc (PTS)	jessie (security), jessie	2.19-18+deb8u10	fixed
	stretch	2.24-11+deb9u3	fixed
	stretch (security)	2.24-11+deb9u1	fixed
	buster, sid	2.27-5	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
eglibc	source	(unstable)	(unfixed)	medium
eglibc	source	squeeze	2.11.3-4+deb6u6	medium	DLA-230-1
eglibc	source	wheezy	2.13-38+deb7u10	medium	DSA-3480-1
glibc	source	(unstable)	2.19-20	medium		796105
glibc	source	experimental	2.21-0experimental1	medium
glibc	source	jessie	2.19-18+deb8u1	medium

https://sourceware.org/bugzilla/show_bug.cgi?id=18287
Upstream commit: https://sourceware.org/git/?p=glibc.git;a=commit;h=2959eda9272a03386