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CVE details

CVE-2026-119203

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.4, pypdf can enter an infinite loop while opening a crafted incomplete PDF whose standard cross-reference table reaches the end of the file without a trailer. The trailer search can repeatedly rewind to the same stream position instead of terminating when parsing makes no progress, blocking the processing thread. 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-2026-119203: pypdf is a free and open-source pure-python PDF
	  library. Prior to 6.21.4, pypdf can enter an infinite loop while
	  opening a crafted incomplete PDF whose standard cross-reference
	  table reaches the end of the file without a trailer. The trailer
	  search can repeatedly rewind to the same stream position instead of
	  terminating when parsing makes no progress, blocking the processing
	  thread. This issue is fixed in version 6.21.4.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-119203</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-119203</url>
    </references>
    <dates>
      <discovery>2026-10-29</discovery>
      <entry>2026-10-30</entry>
    </dates>
  </vuln>