This update for php53 fixes the following issues: - CVE-2015-8838: mysqlnd was vulnerable to BACKRONYM . - CVE-2015-8835: SoapClient s_call method suffered from a type confusion issue that could have lead to crashes [bsc#973351] - CVE-2016-2554: A NULL pointer dereference in phar_get_fp_offset could lead to crashes. [bsc#968284] Note: we do not ship the phar extension currently, so we are not affected. - CVE-2015-7803: A Stack overflow vulnerability when decompressing tar phar archives could potentially lead to code execution. [bsc#949961] Note: we do not ship the phar extension currently, so we are not affected. - CVE-2016-3141: A use-after-free / double-free in the WDDX deserialization could lead to crashes or potential code execution. [bsc#969821] - CVE-2016-3142: An Out-of-bounds read in phar_parse_zipfile could lead to crashes. [bsc#971912] Note: we do not ship the phar extension currently, so we are not affected. - CVE-2014-9767: A directory traversal when extracting zip files was fixed that could lead to overwritten files. [bsc#971612] - CVE-2016-3185: A type confusion vulnerability in make_http_soap_request could lead to crashes or potentially code execution. [bsc#971611]