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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200606-01">
<title>Opera: Buffer overflow</title>
Opera contains an integer signedness error resulting in a buffer overflow
which may allow a remote attacker to execute arbitrary code.
<product type="ebuild">opera</product>
<announced>June 07, 2006</announced>
<revised>June 07, 2006: 01</revised>
<package name="www-client/opera" auto="yes" arch="*">
<unaffected range="ge">8.54</unaffected>
<vulnerable range="lt">8.54</vulnerable>
Opera is a multi-platform web browser.
SEC Consult has discovered a buffer overflow in the code
processing style sheet attributes. It is caused by an integer
signedness error in a length check followed by a call to a string
function. It seems to be hard to exploit this buffer overflow to
execute arbitrary code because of the very large amount memory that has
to be copied.
<impact type="normal">
A remote attacker can entice a user to visit a web page containing
a specially crafted style sheet attribute that will crash the user's
browser and maybe lead to the execution of arbitrary code.
There is no known workaround at this time.
All Opera users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=www-client/opera-8.54&quot;</code>
<uri link="">CVE-2006-1834</uri>
<metadata tag="submitter" timestamp="Tue, 30 May 2006 13:12:35 +0000">
<metadata tag="bugReady" timestamp="Wed, 31 May 2006 19:39:23 +0000">