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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200403-01">
<title>Libxml2 URI Parsing Buffer Overflow Vulnerabilities</title>
A buffer overflow has been discovered in libxml2 versions prior to
2.6.6 which may be exploited by an attacker allowing the execution of
arbitrary code.
<product type="ebuild">libxml</product>
<announced>March 05, 2004</announced>
<revised>March 05, 2004: 01</revised>
<access>local and remote combination</access>
<package name="dev-libs/libxml2" auto="yes" arch="*">
<unaffected range="ge">2.6.6</unaffected>
<vulnerable range="lt">2.6.6</vulnerable>
Yuuichi Teranishi discovered a flaw in libxml2 versions prior to 2.6.6.
When the libxml2 library fetches a remote resource via FTP or HTTP, libxml2
uses parsing routines that can overflow a buffer caused by improper bounds
checking if they are passed a URL longer than 4096 bytes.
<impact type="normal">
If an attacker is able to exploit an application using libxml2 that parses
remote resources, then this flaw could be used to execute arbitrary code.
No workaround is available; users are urged to upgrade libxml2 to 2.6.6.
All users are recommended to upgrade their libxml2 installation:
# emerge sync
# emerge -pv ">=dev-libs/libxml2-2.6.6"
# emerge ">=dev-libs/libxml2-2.6.6"</code>
<uri link="">CVE 2004-0110</uri>