glsa-202210-38.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202210-38">
    <title>Expat: Denial of Service</title>
    <synopsis>A vulnerability has been found in Expat which could result in denial of service.</synopsis>
    <product type="ebuild">expat</product>
    <announced>2022-10-31</announced>
    <revised count="1">2022-10-31</revised>
    <bug>878271</bug>
    <access>remote</access>
    <affected>
        <package name="dev-libs/expat" auto="yes" arch="*">
            <unaffected range="ge">2.5.0</unaffected>
            <vulnerable range="lt">2.5.0</vulnerable>
        </package>
    </affected>
    <background>
        <p>Expat is a set of XML parsing libraries.</p>
    </background>
    <description>
        <p>In certain out-of-memory situations, Expat may free memory before it should, leading to a use-after-free.</p>
    </description>
    <impact type="low">
        <p>A use-after-free can result in denial of service.</p>
    </impact>
    <workaround>
        <p>There is no known workaround at this time.</p>
    </workaround>
    <resolution>
        <p>All Expat users should upgrade to the latest version:</p>
        
        <code>
          # emerge --sync
          # emerge --ask --oneshot --verbose ">=dev-libs/expat-2.5.0"
        </code>
    </resolution>
    <references>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-43680">CVE-2022-43680</uri>
    </references>
    <metadata tag="requester" timestamp="2022-10-31T20:22:43.385930Z">ajak</metadata>
    <metadata tag="submitter" timestamp="2022-10-31T20:22:43.392589Z">ajak</metadata>
</glsa>