CVE-2026-33298
HighSummary
W bibliotece llama.cpp występuje podatność na przepełnienie bufora w wyniku błędu całkowitego w funkcji `ggml_nbytes`. Atakujący może stworzyć plik GGUF z określonymi wymiarami tensora, co prowadzi do zwrócenia znacznie mniejszego rozmiaru niż wymagany, co z kolei powoduje przepełnienie bufora na stercie.
Risk Assessment
Ta podatność może prowadzić do zdalnego wykonania kodu (RCE) poprzez uszkodzenie pamięci, co stwarza poważne zagrożenie dla bezpieczeństwa aplikacji i danych organizacji.
Recommendation
Zaleca się aktualizację do wersji b7824 lub nowszej, która zawiera poprawkę eliminującą tę podatność.
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Original NVD description (English source)
llama.cpp is an inference of several LLM models in C/C++. Prior to b7824, an integer overflow vulnerability in the `ggml_nbytes` function allows an attacker to bypass memory validation by crafting a GGUF file with specific tensor dimensions. This causes `ggml_nbytes` to return a significantly smaller size than required (e.g., 4MB instead of Exabytes), leading to a heap-based buffer overflow when the application subsequently processes the tensor. This vulnerability allows potential Remote Code Execution (RCE) via memory corruption. b7824 contains a fix.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

