CVE-2012-6656

Name	CVE-2012-6656
Description	iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of "0xffff" to the iconv function when converting IBM930 encoded data to UTF-8.
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-97-1, DSA-3142-1
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
glibc (PTS)	stretch	2.24-11+deb9u4	fixed
	stretch (security)	2.24-11+deb9u1	fixed
	buster	2.28-10	fixed
	bullseye, sid	2.30-8	fixed

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

Package	Type	Release	Fixed Version	Origin
eglibc	source	(unstable)	(unfixed)
eglibc	source	squeeze	2.11.3-4+deb6u2	DLA-97-1
eglibc	source	wheezy	2.13-38+deb7u7	DSA-3142-1
glibc	source	(unstable)	2.17-1

Notes

[wheezy] - eglibc <no-dsa> (Will be fixed in a point update)
https://sourceware.org/bugzilla/show_bug.cgi?id=14134
https://sourceware.org/git/?p=glibc.git;a=commit;h=6e230d11837f3ae7b375ea69d7905f0d18eb79e5