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Alerts This Week
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Gentoo: GLSA 201507-08 Normal: libxml2 Denial of Service

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Calendar Grey July 7, 2015
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The Gentoo Security Advisory GLSA 201507-08 informs about a DoS vulnerability in libxml2, urging users to update to secure impacted systems against exploitation
A vulnerability in libxml2 allows a remote attacker to cause Denial of Service.

Summary

libxml2 returns the empty string when the allocation limit is encountered while constructing the attribute value string.

Resolution

All libxml2 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.9.2-r1"

References

[ 1 ] CVE-2015-1819 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1819

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201507-08
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: libxml2: Denial of Service
Date: July 07, 2015
Bugs: #546720
ID: 201507-08

Synopsis

A vulnerability in libxml2 allows a remote attacker to cause Denial of Service.

Background

libxml2 is the XML C parser and toolkit developed for the Gnome project.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/libxml2 < 2.9.2-r1 >= 2.9.2-r1

Impact

===== A remote attacker may be able to cause Denial of Service via a specially crafted XML file.

Workaround

There is no known workaround at this time.