Important CentOS squid Security Update


squid-2.6.STABLE21-7.el5_10.i386.rpm, squid-2.6.STABLE21-7.el5_10.src.rpm, squid-2.6.STABLE21-7.el5_10.x86_64.rpm, squid-3.1.10-22.el6_5.i686.rpm, squid-3.1.10-22.el6_5.src.rpm, squid-3.1.10-22.el6_5.x86_64.rpm,,
2018-01-18 11:07
2017-07-27 19:07
2017-04-01 19:08
2017-01-05 20:12


An updated squid package that fixes two security issues is now available
for Red Hat Enterprise Linux 5 and 6.

Red Hat Product Security has rated this update as having Important security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.

Squid is a high-performance proxy caching server for web clients,
supporting FTP, Gopher, and HTTP data objects.

A flaw was found in the way Squid handled malformed HTTP Range headers.
A remote attacker able to send HTTP requests to the Squid proxy could use
this flaw to crash Squid. (CVE-2014-3609)

A buffer overflow flaw was found in Squid's DNS lookup module. A remote
attacker able to send HTTP requests to the Squid proxy could use this flaw
to crash Squid. (CVE-2013-4115)

Red Hat would like to thank the Squid project for reporting the
CVE-2014-3609 issue. Upstream acknowledges Matthew Daley as the original

All Squid users are advised to upgrade to this updated package, which
contains backported patches to correct these issues. After installing this
update, the squid service will be restarted automatically.
Please see

Am I vulnerable?

The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.

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Affected package information

Release Package Patched in
5 squid squid-2.6.STABLE21-7.el5_10.i386.rpm
squid squid-2.6.STABLE21-7.el5_10.src.rpm
squid squid-2.6.STABLE21-7.el5_10.x86_64.rpm
6 squid squid-3.1.10-22.el6_5.i686.rpm
squid squid-3.1.10-22.el6_5.src.rpm
squid squid-3.1.10-22.el6_5.x86_64.rpm