glsa-202407-04.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202407-04">
    <title>Pixman: Heap Buffer Overflow</title>
    <synopsis>A vulnerability has been discovered in Pixman, which can lead to a heap buffer overflow.</synopsis>
    <product type="ebuild">pixman</product>
    <announced>2024-07-01</announced>
    <revised count="1">2024-07-01</revised>
    <bug>879207</bug>
    <access>local and remote</access>
    <affected>
        <package name="x11-libs/pixman" auto="yes" arch="*">
            <unaffected range="ge">0.42.2</unaffected>
            <vulnerable range="lt">0.42.2</vulnerable>
        </package>
    </affected>
    <background>
        <p>Pixman is a pixel manipulation library.</p>
    </background>
    <description>
        <p>A vulnerability has been discovered in Pixman. Please review the CVE identifiers referenced below for details.</p>
    </description>
    <impact type="normal">
        <p>An out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 can occur due to an integer overflow in pixman_sample_floor_y.</p>
    </impact>
    <workaround>
        <p>There is no known workaround at this time.</p>
    </workaround>
    <resolution>
        <p>All Pixman users should upgrade to the latest version:</p>
        
        <code>
          # emerge --sync
          # emerge --ask --oneshot --verbose ">=x11-libs/pixman-0.42.2"
        </code>
    </resolution>
    <references>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-44638">CVE-2022-44638</uri>
    </references>
    <metadata tag="requester" timestamp="2024-07-01T05:56:53.181940Z">graaff</metadata>
    <metadata tag="submitter" timestamp="2024-07-01T05:56:53.184714Z">ajak</metadata>
</glsa>