|Category:||Red Hat Local Security Checks|
|Title:||RedHat Security Advisory RHSA-2012:0731|
The remote host is missing updates announced in
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.
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
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.
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date
Risk factor : Medium
Common Vulnerability Exposure (CVE) ID: CVE-2012-0876|
BugTraq ID: 52379
Debian Security Information: DSA-2525 (Google Search)
RedHat Security Advisories: RHSA-2012:0731
RedHat Security Advisories: RHSA-2016:0062
RedHat Security Advisories: RHSA-2016:2957
Common Vulnerability Exposure (CVE) ID: CVE-2012-1148
|Copyright||Copyright (c) 2012 E-Soft Inc. http://www.securityspace.com|
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