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CVE details

CVE-2026-116566

socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated.

Score
5.3 medium
Published
2026-10-29
Links
NVD · cve.org · Report wrong data

Matched ports (9)

PortPackageVersionStatusMaintainer
lang/python27python272.7.18_5unaddressedpython@FreeBSD.org
lang/python311python3113.11.17unaddressedpython@FreeBSD.org
lang/python312python3123.12.15unaddressedpython@FreeBSD.org
lang/python313python3133.13.16unaddressedpython@FreeBSD.org
lang/python313tpython313t3.13.16unaddressedpython@FreeBSD.org
lang/python314python3143.14.8unaddressedpython@FreeBSD.org
lang/python314tpython314t3.14.8unaddressedpython@FreeBSD.org
lang/python315python3153.15.0unaddressedpython@FreeBSD.org
lang/linux-rl9-python3linux-rl9-python393.9.25possibly backportedemulation@FreeBSD.org

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Ranges per package from the CVE rows that match this port, in pkg notation with the port's epoch and revision, every bound checked with pkg; one range per epoch the port actually had. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>python27 -- FIXME</topic>
    <affects>
      <package>
	<name>python27</name>
	<name>python311</name>
	<name>python312</name>
	<name>python313</name>
	<name>python313t</name>
	<name>python314</name>
	<name>python314t</name>
	<name>python315</name>
	<!-- no fixed release for the 2.7 line in the CVE record (fixed in 3.16.0) -->
	<!-- no fixed release for the 3.11 line in the CVE record (fixed in 3.16.0) -->
	<!-- no fixed release for the 3.12 line in the CVE record (fixed in 3.16.0) -->
	<!-- no fixed release for the 3.13 line in the CVE record (fixed in 3.16.0) -->
	<!-- no fixed release for the 3.14 line in the CVE record (fixed in 3.16.0) -->
	<!-- no fixed release for the 3.15 line in the CVE record (fixed in 3.16.0) -->
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>CVE-2026-116566: socket.getaddrinfo() previously accepted null bytes
	  within *host* and *port* parameters which can cause the values to
	  be silently truncated.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-116566</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-116566</url>
    </references>
    <dates>
      <discovery>2026-10-29</discovery>
      <entry>2026-10-29</entry>
    </dates>
  </vuln>