RHSA-2011:1791Medium

Red Hat Security Advisory: squid security update

Published
December 6, 2011
Last Modified
November 7, 2026

🔗 CVE IDs covered (1)

CVE-2011-4096 →

📋 Description

CVE-2011-4096 — squid: Invalid free by processing CNAME DNS record pointing to another CNAME record pointing to an empty A-record

🎯 Affected products16

  • Red Hat Enterprise Linux Server (v. 6)
  • Red Hat Enterprise Linux Workstation (v. 6)
  • squid-7:3.1.10-1.el6_2.1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)
  • squid-7:3.1.10-1.el6_2.1.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • squid-7:3.1.10-1.el6_2.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)
  • squid-7:3.1.10-1.el6_2.1.s390x as a component of Red Hat Enterprise Linux Server (v. 6)
  • squid-7:3.1.10-1.el6_2.1.src as a component of Red Hat Enterprise Linux Server (v. 6)
  • squid-7:3.1.10-1.el6_2.1.src as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • squid-7:3.1.10-1.el6_2.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)
  • squid-7:3.1.10-1.el6_2.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • squid-debuginfo-7:3.1.10-1.el6_2.1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)
  • squid-debuginfo-7:3.1.10-1.el6_2.1.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)
  • squid-debuginfo-7:3.1.10-1.el6_2.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)
  • squid-debuginfo-7:3.1.10-1.el6_2.1.s390x as a component of Red Hat Enterprise Linux Server (v. 6)
  • squid-debuginfo-7:3.1.10-1.el6_2.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)
  • squid-debuginfo-7:3.1.10-1.el6_2.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)

✅ Remediation

Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

🔗 References (4)