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CVE details

CVE-2026-116743

libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.

Score
6.8 medium
Published
2026-10-26
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
devel/libmsiecflibmsiecfa.20240425unaddressedantoine@FreeBSD.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>libmsiecf</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>libyal libmsiecf through 20260525 contains a double free vulnerability
	in libmsiecf_url_values_read_data() that allows attackers to corrupt
	heap memory via crafted partial URL records. Attackers can supply a
	crafted MSIE cache index.dat file whose recovered partial record has
	an oversized unknown_offset, crashing forensic tools processing it.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-116743</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-116743</url>
    </references>
    <dates>
      <discovery>2026-10-26</discovery>
      <entry>2026-10-27</entry>
    </dates>
  </vuln>