glsa-202210-42.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202210-42">
    <title>zlib: Multiple vulnerabilities</title>
    <synopsis>A buffer overflow in zlib might allow an attacker to cause remote code execution.</synopsis>
    <product type="ebuild">zlib</product>
    <announced>2022-10-31</announced>
    <revised count="1">2022-10-31</revised>
    <bug>863851</bug>
    <bug>835958</bug>
    <access>remote</access>
    <affected>
        <package name="sys-libs/zlib" auto="yes" arch="*">
            <unaffected range="ge">1.2.12-r3</unaffected>
            <vulnerable range="lt">1.2.12-r3</vulnerable>
        </package>
    </affected>
    <background>
        <p>zlib is a widely used free and patent unencumbered data compression library.</p>
    </background>
    <description>
        <p>Multiple vulnerabilities have been discovered in zlib. Please review the CVE identifiers referenced below for details.</p>
    </description>
    <impact type="normal">
        <p>Maliciously crafted input handled by zlib may result in remote code execution.</p>
    </impact>
    <workaround>
        <p>There is no known workaround at this time.</p>
    </workaround>
    <resolution>
        <p>All zlib users should upgrade to the latest version:</p>
        
        <code>
          # emerge --sync
          # emerge --ask --oneshot --verbose ">=sys-libs/zlib-1.2.12-r3"
        </code>
    </resolution>
    <references>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-25032">CVE-2018-25032</uri>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-37434">CVE-2022-37434</uri>
    </references>
    <metadata tag="requester" timestamp="2022-10-31T20:36:54.413772Z">sam</metadata>
    <metadata tag="submitter" timestamp="2022-10-31T20:36:54.421673Z">ajak</metadata>
</glsa>