Squid 3.2.x before 3.2.14, 3.3.x before 3.3.14, 3.4.x before 3.4.13, and 3.5.x before 3.5.4, when configured with client-first SSL-bump, do not properly validate the domain or hostname fields of X.509 certificates, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate.
advisories.mageia.org/MGASA-2015-0191.html
lists.fedoraproject.org/pipermail/package-announce/2016-May/183598.html
lists.opensuse.org/opensuse-updates/2015-09/msg00016.html
lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
rhn.redhat.com/errata/RHSA-2015-2378.html
www.mandriva.com/security/advisories?name=MDVSA-2015:230
www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
www.securityfocus.com/bid/74438
www.securitytracker.com/id/1032221
www.squid-cache.org/Advisories/SQUID-2015_1.txt