| Package | Affected versions | Patched versions |
|---|---|---|
| vllm | < 0.30.0 | 0.30.0 |
| vllm | ≤ 0.29.0 |
vLLM through 0.29.0 contains a memory corruption vulnerability in the Triton _bincount_kernel where prompt token IDs index the penalty prompt-presence bitset without bounds checking against vocabulary size. Attackers can submit multimodal audio requests with tokens equal to vocabulary size, causing out-of-bounds writes that corrupt concurrent requests' sampler state and alter repetition penalty behavior.
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