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Fencer Intel
medium 6.1

CVE-2026-82324 json

Gimp: heap out-of-bounds reads in iff/ilbm loader from ham row size mismatch and nplanes=0

published 2mo ago modified 6d ago also EUVD-2026-67721

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

Summary

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.

Patch / fix

  • gimp Debian 14 3.2.6-1

debian advisories DEBIAN-CVE-2026-82324

  • gimp openSUSE Leap 16.0 3.0.8-bp160.13.1

opensuse advisories openSUSE-SU-2026:22123-1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-82324 updated cvss 6.1

gimp: heap out-of-bounds reads in IFF/ILBM loader from HAM row size mismatch and nPlanes=0

  • Red Hat Enterprise Linux 9 gimp, gimp-libs
    affected: workaround, no fix available “To mitigate this vulnerability, do not open IFF/ILBM files from untrusted sources with GIMP.”
  • Red Hat Enterprise Linux 6 gimp, gimp-libs, gimp-devel-tools, gimp-help-browser Red Hat Enterprise Linux 7 gimp, gimp-libs, gimp-devel-tools Red Hat Enterprise Linux 8 gimp, pygtk2, gimp-libs, pygobject2, python2-cairo, pygtk2-codegen, +3 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2mo ago

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Affected products

  • GNOME GIMP
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 9

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.