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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201006-15">
  <title>XEmacs: User-assisted execution of arbitrary code</title>
  <synopsis>
    Multiple integer overflow errors in XEmacs might allow remote,
    user-assisted attackers to execute arbitrary code.
  </synopsis>
  <product type="ebuild">xemacs</product>
  <announced>2010-06-03</announced>
  <revised>2010-06-03: 01</revised>
  <bug>275397</bug>
  <access>remote</access>
  <affected>
    <package name="app-editors/xemacs" auto="yes" arch="*">
      <unaffected range="ge">21.4.22-r1</unaffected>
      <vulnerable range="lt">21.4.22-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    XEmacs is a highly extensible and customizable text editor.
    </p>
  </background>
  <description>
    <p>
    Tielei Wang reported multiple integer overflow vulnerabilities in the
    tiff_instantiate(), png_instantiate() and jpeg_instantiate() functions
    in glyphs-eimage.c, all possibly leading to heap-based buffer
    overflows.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could entice a user to open a specially crafted TIFF,
    JPEG or PNG file using XEmacs, possibly resulting in the remote
    execution of arbitrary code with the privileges of the user running the
    application, or a Denial of Service condition.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All XEmacs users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=app-editors/xemacs-21.4.22-r1"</code>
    <p>
    NOTE: This is a legacy GLSA. Updates for all affected architectures are
    available since July 26, 2009. It is likely that your system is already
    no longer affected by this issue.
    </p>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2688">CVE-2009-2688</uri>
  </references>
  <metadata tag="requester" timestamp="2009-07-30T20:43:44Z">
    keytoaster
  </metadata>
  <metadata tag="submitter" timestamp="2010-05-31T06:40:54Z">
    a3li
  </metadata>
  <metadata tag="bugReady" timestamp="2010-05-31T06:41:02Z">
    a3li
  </metadata>
</glsa>