- Issued:
- 2011-12-06
- Updated:
- 2011-12-06
RHSA-2011:1791 - Moderate: squid security update
Synopsis
Moderate: squid security update
Type/Severity
Security Advisory Moderate
Topic
An updated squid package that fixes one security issue is now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
Description
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
An input validation flaw was found in the way Squid calculated the total number of resource records in the answer section of multiple name server responses. An attacker could use this flaw to cause Squid to crash. (CVE-2011-4096)
Users of squid should upgrade to this updated package, which contains a backported patch to correct this issue. After installing this update, the squid service will be restarted automatically.
Solution
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 This content is not included.https://access.redhat.com/kb/docs/DOC-11259
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Storage | 2.0 | x86_64 |
| Red Hat Storage for Public Cloud (via RHUI) | 2.0 | x86_64 |
| Red Hat Gluster Storage Server for On-premise | 2.0 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | 6.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | 6.2 | i386 |
| Red Hat Enterprise Linux for Power, big endian | 6 | ppc64 |
| Red Hat Enterprise Linux for Power, big endian - Extended Update Support | 6.2 | ppc64 |
| Red Hat Enterprise Linux for IBM z Systems | 6 | s390x |
| Red Hat Enterprise Linux for IBM z Systems - Extended Update Support | 6.2 | s390x |
| Red Hat Enterprise Linux Workstation | 6 | x86_64 |
| Red Hat Enterprise Linux Workstation | 6 | i386 |
| Red Hat Enterprise Linux Server | 6 | x86_64 |
| Red Hat Enterprise Linux Server | 6 | i386 |
| Red Hat Enterprise Linux Server from RHUI | 6 | x86_64 |
| Red Hat Enterprise Linux Server from RHUI | 6 | i386 |
| Red Hat Enterprise Linux Server - Extended Update Support from RHUI | 6.2 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Update Support from RHUI | 6.2 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 6 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension | 6 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) | 6 | s390x |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) | 6 | s390x |
| Red Hat Enterprise Linux Server - AUS | 6.2 | x86_64 |
Updated Packages
- squid-debuginfo-3.1.10-1.el6_2.1.s390x.rpm
- squid-3.1.10-1.el6_2.1.x86_64.rpm
- squid-debuginfo-3.1.10-1.el6_2.1.x86_64.rpm
- squid-debuginfo-3.1.10-1.el6_2.1.ppc64.rpm
- squid-3.1.10-1.el6_2.1.s390x.rpm
- squid-3.1.10-1.el6_2.1.i686.rpm
- squid-3.1.10-1.el6_2.1.src.rpm
- squid-3.1.10-1.el6_2.1.ppc64.rpm
- squid-debuginfo-3.1.10-1.el6_2.1.i686.rpm
Fixes
CVEs
References
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.