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expat security update

Description

**CentOS Errata and Security Advisory** CESA-2012:0731 Expat is a C library written by James Clark for parsing XML documents. A denial of service flaw was found in the implementation of hash arrays in Expat. An attacker could use this flaw to make an application using Expat consume an excessive amount of CPU time by providing a specially-crafted XML file that triggers multiple hash function collisions. To mitigate this issue, randomization has been added to the hash function to reduce the chance of an attacker successfully causing intentional collisions. (CVE-2012-0876) A memory leak flaw was found in Expat. If an XML file processed by an application linked against Expat triggered a memory re-allocation failure, Expat failed to free the previously allocated memory. This could cause the application to exit unexpectedly or crash when all available memory is exhausted. (CVE-2012-1148) All Expat users should upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, applications using the Expat library must be restarted for the update to take effect. **Merged security bulletin from advisories:** https://lists.centos.org/pipermail/centos-announce/2012-June/055601.html https://lists.centos.org/pipermail/centos-announce/2012-June/055604.html **Affected packages:** expat expat-devel **Upstream details at:** https://access.redhat.com/errata/RHSA-2012:0731


Affected Package


OS OS Version Package Name Package Version
CentOS 5 expat 1.95.8-11.el5_8
CentOS 5 expat-devel 1.95.8-11.el5_8
CentOS 5 expat 1.95.8-11.el5_8
CentOS 5 expat 1.95.8-11.el5_8
CentOS 5 expat-devel 1.95.8-11.el5_8
CentOS 5 expat-devel 1.95.8-11.el5_8
CentOS 5 expat 1.95.8-11.el5_8
CentOS 6 expat 2.0.1-11.el6_2
CentOS 6 expat-devel 2.0.1-11.el6_2
CentOS 6 expat 2.0.1-11.el6_2
CentOS 6 expat 2.0.1-11.el6_2
CentOS 6 expat-devel 2.0.1-11.el6_2
CentOS 6 expat-devel 2.0.1-11.el6_2
CentOS 6 expat 2.0.1-11.el6_2

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