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CVE details

CVE-2026-65324

Apache Traffic Server drops the per-stream buffer cap when dechunking HTTP/2 or HTTP/3 responses, letting a slow client exhaust server memory. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Score
8.2 high
Published
2026-07-29
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
www/trafficservertrafficserver10.1.0unaddressedgaod@hychen.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>trafficserver</name>
	<range><lt>9.2.15</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>Apache Traffic Server drops the per-stream buffer cap when dechunking
	HTTP/2 or HTTP/3 responses, letting a slow client exhaust server
	memory.



This issue affects Apache Traffic Server: from 8.0.0
	through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through
	10.1.3.



Users are recommended to upgrade to version 9.2.15 or
	10.1.4, which fix the issue.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-65324</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-65324</url>
    </references>
    <dates>
      <discovery>2026-07-29</discovery>
      <entry>2026-10-26</entry>
    </dates>
  </vuln>