{"id":"CVE-2011-4079","details":"Off-by-one error in the UTF8StringNormalize function in OpenLDAP 2.4.26 and earlier allows remote attackers to cause a denial of service (slapd crash) via a zero-length string that triggers a heap-based buffer overflow, as demonstrated using an empty postalAddressAttribute value in an LDIF entry.","modified":"2026-04-10T03:42:01.926393Z","published":"2011-10-27T20:55:01Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/46599"},{"type":"ADVISORY","url":"http://security.gentoo.org/glsa/glsa-201406-36.xml"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-1266-1"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=749324"},{"type":"WEB","url":"http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9"},{"type":"WEB","url":"http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2011/10/26/5"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2011/10/26/9"},{"type":"WEB","url":"http://www.securityfocus.com/bid/50384"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/70991"}],"schema_version":"1.7.5"}