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.

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Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

History

Tue, 15 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 15 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
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Metrics threat_severity

None

threat_severity

Important


Mon, 14 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Gimp: gimp: heap-based buffer overflow in ico loader via integer overflow in embedded png dimensions
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-787
CPEs cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-09-15T13:57:01.648Z

Reserved: 2026-09-14T11:41:23.277Z

Link: CVE-2026-90948

cve-icon Vulnrichment

Updated: 2026-09-15T13:26:19.920Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-14T14:17:20.693

Modified: 2026-09-16T19:42:43.623

Link: CVE-2026-90948

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-14T12:03:00Z

Links: CVE-2026-90948 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-15T14:00:11Z

Weaknesses