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Debian Security Advisory DSA 3057-1 (libxml2 - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Sogeti found a denial of service flaw in libxml2, a library providing support to read, modify and write XML and HTML files. A remote attacker could provide a specially crafted XML file that, when processed by an application using libxml2, would lead to excessive CPU consumption (denial of service) based on excessive entity substitutions, even if entity substitution was disabled, which is the parser default behavior. (CVE-2014-3660 ) In addition, this update addresses a misapplied chunk for a patch released in version 2.8.0+dfsg1-7+wheezy1 (#762864), and a memory leak regression (#765770) introduced in version 2.8.0+dfsg1-7+nmu3.
Affected Software
Affected Software
libxml2 on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (wheezy), this problem has been fixed in version 2.8.0+dfsg1-7+wheezy2. For the unstable distribution (sid), this problem has been fixed in version 2.9.2+dfsg1-1. We recommend that you upgrade your libxml2 packages.