---
id: CVE-2026-90948
title: A flaw was found in GIMP's ICO file loader
summary: >-
  A flaw was found in GIMP's ICO file loader. When processing an ICO file
  containing an embedded PNG image, an integer overflow can occur during the
  calculation of the required buffer size. This leads to an undersized buffer
  being allocate…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
vendor: Red Hat
product: gimp
affected:
  - gimp
  - gimp (all versions)
  - 'gimp:2.8/gimp (all versions)'
  - gimp (all versions)
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:42:43.623'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90948'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-90948'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2533008'
    label: secalert@redhat.com
  - url: 'https://gitlab.gnome.org/GNOME/gimp/-/work_items/16742'
    label: secalert@redhat.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90948.json
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-90948'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90948'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.00327
epssPercentile: 0.23167
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-15T13:26:18.897169Z'
ingestedAt: '2026-09-14T15:23:07.422Z'
---

## Overview

A flaw was found in GIMP's ICO file loader. When processing an ICO file containing an embedded PNG image, an integer overflow can occur during the calculation of the required buffer size. This leads to an undersized buffer being allocated, causing a heap-based buffer overflow when the decoded pixel data is written. A remote attacker could exploit this by crafting a malicious ICO file, which, when opened, could lead to arbitrary code execution or a crash.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-09-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90948.json)