The bergetnext function in libraries/liblber/io.c in OpenLDAP 2.4.42 and earlier allows remote attackers to cause a denial of service (reachable assertion and application crash) via crafted BER data, as demonstrated by an attack against slapd.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "ldap-utils" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "ldap-utils-dbgsym" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "libldap-2.4-2" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "libldap-2.4-2-dbg" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "libldap-2.4-2-dbgsym" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "libldap2-dev" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "libldap2-dev-dbgsym" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "slapd" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "slapd-dbg" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "slapd-dbgsym" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "slapd-smbk5pwd" }, { "binary_version": "2.4.31-1+nmu2ubuntu8.2", "binary_name": "slapd-smbk5pwd-dbgsym" } ] }