A buffer overflow flaw was found in the way the Squid cachemgr.cgi utility processed remotely relayed Squid input. When the CGI interface utility is used, a remote attacker could possibly use this flaw to execute arbitrary code. (CVE-2016-4051 __)
It was found that the fix for CVE-2016-4051 __ did not properly prevent the stack overflow in the munge_other_line() function. A remote attacker could send specially crafted data to the Squid proxy, which would exploit the cachemgr CGI utility, possibly triggering execution of arbitrary code. (CVE-2016-5408 __)
Run yum update squid to update your system.
i686: squid-3.1.23-16.22.amzn1.i686 squid-debuginfo-3.1.23-16.22.amzn1.i686 src: squid-3.1.23-16.22.amzn1.src x86_64: squid-debuginfo-3.1.23-16.22.amzn1.x86_64 squid-3.1.23-16.22.amzn1.x86_64