Package : squid Version : 2.7.STABLE9-4.1+deb7u2 CVE ID : CVE-2016-4554
A security issue has been discovered in the Squid chaching proxy, on its 2.7.STABLE9 version branch.
Jianjun Chen found that Squid was vulnerable to a header smuggling attack that could lead to cache poisoning and to bypass of same-origin security policy in Squid and some client browsers.
For Debian 7 "Wheezy", this issue has been fixed in version 2.7.STABLE9-4.1+deb7u2.
We recommend that you upgrade your squid packages.
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS