glsa-202407-24.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202407-24">
    <title>HarfBuzz: Denial of Service</title>
    <synopsis>A vulnerability has been discovered in HarfBuzz, which can lead to a denial of service.</synopsis>
    <product type="ebuild">harfbuzz</product>
    <announced>2024-07-10</announced>
    <revised count="1">2024-07-10</revised>
    <bug>905310</bug>
    <access>local</access>
    <affected>
        <package name="media-libs/harfbuzz" auto="yes" arch="*">
            <unaffected range="ge">7.1.0</unaffected>
            <vulnerable range="lt">7.1.0</vulnerable>
        </package>
    </affected>
    <background>
        <p>HarfBuzz is an OpenType text shaping engine.</p>
    </background>
    <description>
        <p>Multiple vulnerabilities have been discovered in HarfBuzz. Please review the CVE identifiers referenced below for details.</p>
    </description>
    <impact type="normal">
        <p>hb-ot-layout-gsubgpos.hh in HarfBuzz allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.</p>
    </impact>
    <workaround>
        <p>There is no known workaround at this time.</p>
    </workaround>
    <resolution>
        <p>All HarfBuzz users should upgrade to the latest version:</p>
        
        <code>
          # emerge --sync
          # emerge --ask --oneshot --verbose ">=media-libs/harfbuzz-7.1.0"
        </code>
    </resolution>
    <references>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2023-22006">CVE-2023-22006</uri>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2023-22036">CVE-2023-22036</uri>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2023-22041">CVE-2023-22041</uri>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2023-22044">CVE-2023-22044</uri>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2023-22045">CVE-2023-22045</uri>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2023-22049">CVE-2023-22049</uri>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2023-25193">CVE-2023-25193</uri>
    </references>
    <metadata tag="requester" timestamp="2024-07-10T06:11:01.173024Z">graaff</metadata>
    <metadata tag="submitter" timestamp="2024-07-10T06:11:01.176040Z">graaff</metadata>
</glsa>