php5: HTML-embedded scripting language interpreter Details: USN 1126-1 fixed several vulnerabilities in PHP. The fix for CVE-2010-4697 introduced an incorrect reference counting regression in the Zend engine that caused the PHP interpreter to segfault. This regression affects Ubuntu 6.06 LTS and Ubuntu 8.04 LTS. The fixes for CVE-2011-1072 and CVE-2011-1144 introduced a regression in the PEAR installer that prevented it from creating its cache directory and reporting errors correctly. We apologize for the inconvenience. Original advisory USN 1126-1 introduced two regressions in PHP.