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CVE details

CVE-2026-86424

ImageMagick before 7.1.2-30 and 6.9.13-55 contains a time-of-check-time-of-use (TOCTOU) vulnerability in the video decoder that allows attackers to bypass path policy write restrictions via symlink swaps. An attacker can replace a symlink between policy validation (check-time) and the file write operation (use-time) to write to policy-denied locations.

Score
2.0 low
Published
2026-09-07
Links
NVD · cve.org

Affected ports (4)

PortPackageVersionStatusMaintainer
graphics/ImageMagick6ImageMagick66.9.13.50_1,1unaddresseddesktop@FreeBSD.org
graphics/ImageMagick6ImageMagick6-nox116.9.13.50_1,1unaddresseddesktop@FreeBSD.org
graphics/ImageMagick7ImageMagick77.1.2.25_2unaddresseddesktop@FreeBSD.org
graphics/ImageMagick7ImageMagick7-nox117.1.2.25_2unaddresseddesktop@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>ImageMagick6</name>
	<range><lt>6.9.13-55</lt></range>
      </package>
      <package>
	<name>ImageMagick6-nox11</name>
	<range><lt>6.9.13-55</lt></range>
      </package>
      <package>
	<name>ImageMagick7</name>
	<range><lt>6.9.13-55</lt></range>
      </package>
      <package>
	<name>ImageMagick7-nox11</name>
	<range><lt>6.9.13-55</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>ImageMagick before 7.1.2-30 and 6.9.13-55 contains a
	time-of-check-time-of-use (TOCTOU) vulnerability in the video decoder
	that allows attackers to bypass path policy write restrictions via
	symlink swaps. An attacker can replace a symlink between policy
	validation (check-time) and the file write operation (use-time) to
	write to policy-denied locations.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-86424</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-86424</url>
    </references>
    <dates>
      <discovery>2026-09-07</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>