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CVE details

CVE-2026-82324

A flaw was found in the file-iff (IFF/ILBM) plugin in GIMP. When processing a specially crafted IFF/ILBM image file, the plugin does not properly validate the HAM row size and improperly handles cases where the number of color planes (nPlanes) is zero. This causes a row size mismatch that bypasses memory bounds checking, resulting in heap out-of-bounds reads. This issue can result in an application crash, leading to a denial of service or a limited information disclosure of heap memory contents.

Score
6.1 medium
Published
2026-08-28
Links
NVD · cve.org

Affected ports (3)

PortPackageVersionStatusMaintainer
graphics/gimpgimp2.10.38,2unaddressedgnome@FreeBSD.org
graphics/gimp-appgimp-app2.10.38_11,1unaddressedgnome@FreeBSD.org
graphics/gimp3-appgimp3-app3.2.6unaddressedgnome@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>gimp</name>
	<range><lt>FIXME</lt></range>
      </package>
      <package>
	<name>gimp-app</name>
	<range><lt>FIXME</lt></range>
      </package>
      <package>
	<name>gimp3-app</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>A flaw was found in the file-iff (IFF/ILBM) plugin in GIMP. When
	processing a specially crafted IFF/ILBM image file, the plugin does
	not properly validate the HAM row size and improperly handles cases
	where the number of color planes (nPlanes) is zero. This causes a row
	size mismatch that bypasses memory bounds checking, resulting in heap
	out-of-bounds reads. This issue can result in an application crash,
	leading to a denial of service or a limited information disclosure of
	heap memory contents.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-82324</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-82324</url>
    </references>
    <dates>
      <discovery>2026-08-28</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>