{"id":"UBUNTU-CVE-2012-6656","details":"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converting IBM930 encoded data to UTF-8.","modified":"2026-02-04T04:28:24.839408Z","published":"2012-12-31T00:00:00Z","withdrawn":"2025-07-18T16:42:48Z","related":["USN-2432-1"],"upstream":["CVE-2012-6656"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2012-6656"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2014/08/29/3"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2432-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2012-6656"}],"affected":[{"package":{"name":"eglibc","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/eglibc@2.19-0ubuntu6.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-0ubuntu6.3"}]}],"versions":["2.17-93ubuntu4","2.18-0ubuntu1","2.18-0ubuntu2","2.18-0ubuntu4","2.18-0ubuntu5","2.18-0ubuntu6","2.18-0ubuntu7","2.19-0ubuntu2","2.19-0ubuntu3","2.19-0ubuntu4","2.19-0ubuntu5","2.19-0ubuntu6","2.19-0ubuntu6.1"],"ecosystem_specific":{"binaries":[{"binary_name":"eglibc-source","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"glibc-doc","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc-bin","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc-dev-bin","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-amd64","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-armel","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-dbg","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-dev","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-dev-amd64","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-dev-armel","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-dev-i386","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-dev-ppc64","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-dev-x32","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-i386","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-pic","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-ppc64","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-prof","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-udeb","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libc6-x32","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libnss-dns-udeb","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"libnss-files-udeb","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"multiarch-support","binary_version":"2.19-0ubuntu6.3"},{"binary_name":"nscd","binary_version":"2.19-0ubuntu6.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-6656.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}