CVE-2026-18309

GIMP APNG File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of APNG files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29401.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector : AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gitlab.gnome.org/GNOME/gimp/-/commit/c760c8309d18bdf5259f1e04ced0779462c7c636	Broken Link
https://www.zerodayinitiative.com/advisories/ZDI-26-462/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gimp:gimp:3.2.2:*:*:*:*:*:*:*

History

26 Oct 2026, 10:10

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad de ejecución remota de código por desbordamiento de entero en el análisis de archivos APNG de GIMP. Esta vulnerabilidad permite a atacantes remotos ejecutar código arbitrario en instalaciones afectadas de GIMP. Se requiere interacción del usuario para explotar esta vulnerabilidad en que el objetivo debe visitar una página maliciosa o abrir un archivo malicioso. La falla específica existe dentro del análisis de archivos APNG. El problema resulta de la falta de validación adecuada de los datos proporcionados por el usuario, lo que puede resultar en un desbordamiento de entero antes de asignar un búfer. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual. Fue ZDI-CAN-29401.

Information

Published : 2026-08-20 17:17

Updated : 2026-10-26 10:10

NVD link : CVE-2026-18309

Mitre link : CVE-2026-18309

CVE.ORG link : CVE-2026-18309

JSON object : View

Products Affected

gimp

gimp

CWE

CWE-190

Integer Overflow or Wraparound

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