CVE-2026-43627

llama.cpp builds b1283 through b9058 contain an integer overflow vulnerability in the llamabatchinit function where unchecked multiplications in malloc calls can wrap past INT32MAX when computing allocation sizes. Attackers can pass specially crafted parameters to trigger integer overflow, causin...

CVE-2026-43627 llama.cpp b1283–b9058 Integer Overflow in llama_batch_init() Function

llama.cpp builds b1283 through b9058 contain an integer overflow vulnerability in the llamabatchinit function where unchecked multiplications in malloc calls can wrap past INT32MAX when computing allocation sizes. Attackers can pass specially crafted parameters to trigger integer overflow, causin...

CVE-2026-43627

The CVE-2026-43627 issue affects llama.cpp (b1283–b9058) in the llama_batch_init() function, where unchecked multiplications in malloc() cause allocation sizes to wrap past INT32_MAX. This leads to heap corruption and can potentially enable arbitrary code execution through subsequent batch operat...