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CVE-2026-48029

Estado: AnalizadaAlta (7.1)—

libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow. Version 1.22.0 fixes the issue.

CVSS

Probabilidad de explotación (EPSS)

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.

UI:R en vector CVSS indica interacción del usuario (abrir archivo HEIF/AVIF preparado). Heap OOB read permite lectura de datos de memoria (T1005) sin ejecución explícita.

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

Referencias

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{
  "id": "CVE-2026-48029",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2026-48029",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
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              "automatable": "no"
            },
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            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-22T15:20:15.371762Z"
        }
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
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    }
  ],
  "lastModified": "2026-08-06T00:56:27.330",
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