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Gimp CVE-2026-66758

| EUVDEUVD-2026-49402 HIGH
Integer Overflow or Wraparound (CWE-190)
2026-07-27 secalert@redhat.com GHSA-p2xc-g3qc-p2mq
7.8
CVSS 3.1 · Vendor: redhat
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Severity by source

Vendor (redhat) PRIMARY
7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SUSE
HIGH
qualitative
Red Hat
7.8 HIGH
qualitative

Primary rating from Vendor (redhat).

CVSS VectorVendor: redhat

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Jul 27, 2026 - 19:31 vuln.today
CVE Published
Jul 27, 2026 - 19:17 nvd
HIGH 7.8

DescriptionCVE.org

A flaw was found in the file-fits plugin in GIMP. When processing a FITS image file, the plugin calculates memory allocation sizes using signed 32-bit integers for width and height. If a crafted file sets both values to large values, their product exceeds 2^31 and overflows, resulting in an undersized heap-based buffer allocation. This integer overflow issue results in a heap-based buffer overflow when cfitsio subsequently writes a full row of pixels in the buffer, causing memory corruption, potentially leading to arbitrary code execution or a denial of service.

AnalysisAI

Arbitrary code execution in GIMP when opening a crafted FITS file due to an integer overflow in the file-fits plugin that leads to a heap buffer overflow. An attacker can achieve memory corruption and potentially execute arbitrary code with the user's privileges. No public exploit or active exploitation has been identified at time of analysis.

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
openSUSE Leap 16.0 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Not-Affected
SUSE Linux Enterprise Module for Package Hub 15 SP7 Not-Affected
SUSE Linux Enterprise Server 15 SP7 Not-Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 Not-Affected

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CVE-2026-66758 vulnerability details – vuln.today

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