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CVE details

CVE-2026-58187

The Apache Traffic Server multiplexer plugin overruns its chunk-decode buffer on upstream input, enabling denial of service. 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
6.3 medium
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>The Apache Traffic Server multiplexer plugin overruns its chunk-decode
	buffer on upstream input, enabling denial of service.



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-2026-58187</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-58187</url>
    </references>
    <dates>
      <discovery>2026-07-29</discovery>
      <entry>2026-10-26</entry>
    </dates>
  </vuln>