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CVE details

CVE-2016-9603

A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.

Score
5.5 medium
Published
2018-07-27
Links
NVD · cve.org

Affected ports (1)

PortPackageVersionStatusMaintainer
emulators/qemu-cheriqemu-cheri0.d20260108unaddressedbrooks@FreeBSD.org

VuXML

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>qemu-cheri</name>
	<range><lt>2.9.0</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA
	emulator's VNC display driver support before 2.9; the issue could
	occur when a VNC client attempted to update its display after a VGA
	operation is performed by a guest. A privileged user/process inside a
	guest could use this flaw to crash the QEMU process or, potentially,
	execute arbitrary code on the host with privileges of the QEMU
	process.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2016-9603</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2016-9603</url>
    </references>
    <dates>
      <discovery>2018-07-27</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>