CVE Watch5 de nov. de 2026

CVE-2026-70659

stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) infere

CVSS

7.8

Alta

EPSS

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KEV

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Exploit Today

0-100

Publicado: 5 de nov. de 2026 · Última mod.: 5 de nov. de 2026 · CWE-787 · CWE-1284

EPSS · 30d

Ainda não há histórico EPSS suficiente.

Descrição técnica

stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. From master-742-1a13107 until master-763-4fcc6fe, IMatrixCollector::load_imatrix in src/runtime/imatrix.cpp reuses the values and counts vectors for entries with the same tensor name but resizes them only when they are empty. An untrusted .imatrix file can provide a small nval for the first entry and a larger nval for a second entry with the same name, causing the accumulation loop to write attacker-controlled floating-point and integer values beyond both heap buffers. Loading the file through the --imat-in conversion path can corrupt the heap or crash the process before a model is required. This issue is fixed in master-763-4fcc6fe.

Referências oficiais

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