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CVE details

CVE-2017-15124

VNC server implementation in Quick Emulator (QEMU) 2.11.0 and older was found to be vulnerable to an unbounded memory allocation issue, as it did not throttle the framebuffer updates sent to its client. If the client did not consume these updates, VNC server allocates growing memory to hold onto this data. A malicious remote VNC client could use this flaw to cause DoS to the server host.

Score
7.5 high
Published
2018-01-09
Links
NVD · cve.org

Affected ports (1)

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

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>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>VNC server implementation in Quick Emulator (QEMU) 2.11.0 and older
	was found to be vulnerable to an unbounded memory allocation issue, as
	it did not throttle the framebuffer updates sent to its client. If the
	client did not consume these updates, VNC server allocates growing
	memory to hold onto this data. A malicious remote VNC client could use
	this flaw to cause DoS to the server host.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2017-15124</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2017-15124</url>
    </references>
    <dates>
      <discovery>2018-01-09</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>