CVE-2026-0797
Estado: ModificadaAlta (8.8)—
GIMP ICO File Parsing Heap-based Buffer 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 ICO files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28599.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.18%
- Percentil entre todas las CVEs puntuadas: 67
- Fecha de la puntuación: 3/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1203Exploitation for Client Executionexecution95 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 %
Vector CVSS con UI:R (interacción del usuario) en aplicación cliente (GIMP) abre archivo malicioso (ICO), permitiendo ejecución remota de código arbitrario en el contexto del proceso.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
CWE
- CWE-122
- CWE-787
- CWE-120
Referencias
- https://gitlab.gnome.org/GNOME/gimp/-/commit/69cc6b1a6645dc9c4d7b484483dbe6a84b922b9c
- https://www.zerodayinitiative.com/advisories/ZDI-26-050/
- https://access.redhat.com/errata/RHSA-2026:4173
- https://access.redhat.com/errata/RHSA-2026:5113
- https://access.redhat.com/errata/RHSA-2026:5388
- https://access.redhat.com/errata/RHSA-2026:5389
- https://access.redhat.com/errata/RHSA-2026:5390
- https://access.redhat.com/errata/RHSA-2026:5391
- https://access.redhat.com/errata/RHSA-2026:5434
- https://access.redhat.com/errata/RHSA-2026:5435
- https://access.redhat.com/errata/RHSA-2026:5436
- https://access.redhat.com/errata/RHSA-2026:5437
- https://access.redhat.com/security/cve/CVE-2026-0797
- https://bugzilla.redhat.com/show_bug.cgi?id=2441524
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0797.json
JSON original (NVD)
Mostrar
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"value": "GIMP ICO File Parsing Heap-based Buffer 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.\n\nThe specific flaw exists within the parsing of ICO files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28599."
},
{
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"value": "Vulnerabilidad de ejecución remota de código por desbordamiento de búfer basado en montículo en el análisis de archivos ICO 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, ya que el objetivo debe visitar una página maliciosa o abrir un archivo malicioso.\n\nLa falla específica existe en el análisis de archivos ICO. El problema se debe a la falta de validación adecuada de la longitud de los datos proporcionados por el usuario antes de copiarlos a un búfer basado en montículo. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual. Fue ZDI-CAN-28599."
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