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CVE details

CVE-2023-44487

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Score
7.5 high
Published
2023-10-10
Links
NVD · cve.org

Affected ports (4)

PortPackageVersionStatusMaintainer
java/nettynetty4.1.53_2unaddressedglewis@FreeBSD.org
sysutils/istioistio1.7.4_47unaddresseddanilo@FreeBSD.org
www/linux-rl9-libnghttp2linux-rl9-libnghttp21.43.0_4unaddressedemulation@FreeBSD.org
www/varnish7varnish77.7.3_1fixeddbaio@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>netty</name>
	<range><lt>1.57.0</lt></range>
      </package>
      <package>
	<name>istio</name>
	<range><lt>1.57.0</lt></range>
      </package>
      <package>
	<name>linux-rl9-libnghttp2</name>
	<range><lt>1.57.0</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>The HTTP/2 protocol allows a denial of service (server resource
	consumption) because request cancellation can reset many streams
	quickly, as exploited in the wild in August through October 2023.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2023-44487</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2023-44487</url>
    </references>
    <dates>
      <discovery>2023-10-10</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>