| Package | Affected versions | Patched versions |
|---|---|---|
| vllm | < 0.30.0 | 0.30.0 |
| vllm | ≤ 0.29.0 |
vLLM through 0.29.0 fails to properly validate bad_words token indices against the model's generation output width in SamplingParams.update_from_tokenizer(). Attackers can supply out-of-bounds token indices that corrupt logits memory of concurrent requests, causing different in-flight HTTP requests to return incorrect tokens.
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