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CVE details

CVE-2026-119205

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.4, pypdf can enter an infinite loop when cloning or duplicating a crafted cyclic DictionaryObject. Clone traversal checked generated destination references rather than the original source references, allowing some source cycles to evade the visited-object check. This issue is fixed in version 6.21.4.

Score
7.1 high
Published
2026-10-29
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
print/py-pypdfpy312-pypdf6.9.2unaddressedwen@FreeBSD.org

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No CPE in the port Makefile

print/py-pypdf (CPE matched by the package name) has no USES=cpe. The CVE was matched through a CPE from another source, so the package and the version range may belong to a different product. Check the CVE record before using this entry.

  <vuln vid="FIXME (make newentry)">
    <topic>py312-pypdf -- FIXME</topic>
    <affects>
      <package>
	<name>py312-pypdf</name>
	<range><lt>6.21.4</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>CVE-2026-119205: pypdf is a free and open-source pure-python PDF
	  library. Prior to 6.21.4, pypdf can enter an infinite loop when
	  cloning or duplicating a crafted cyclic DictionaryObject. Clone
	  traversal checked generated destination references rather than the
	  original source references, allowing some source cycles to evade
	  the visited-object check. This issue is fixed in version 6.21.4.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-119205</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-119205</url>
    </references>
    <dates>
      <discovery>2026-10-29</discovery>
      <entry>2026-10-30</entry>
    </dates>
  </vuln>