CVE-2012-6656

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.

• CWE-20

• http://www.debian.org/security/2015/dsa-3142Third Party Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2014:175Broken Link
• http://www.openwall.com/lists/oss-security/2014/08/29/3Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2014/09/02/1Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/69472Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2432-1Third Party Advisory
• https://security.gentoo.org/glsa/201503-04
• https://sourceware.org/bugzilla/show_bug.cgi?id=14134Exploit, Issue Tracking
• https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5
• http://www.debian.org/security/2015/dsa-3142Third Party Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2014:175Broken Link
• http://www.openwall.com/lists/oss-security/2014/08/29/3Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2014/09/02/1Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/69472Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2432-1Third Party Advisory
• https://security.gentoo.org/glsa/201503-04
• https://sourceware.org/bugzilla/show_bug.cgi?id=14134Exploit, Issue Tracking
• https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5

Published

Dec 5, 2014

Last Modified

Jun 16, 2026

Status

Modified

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