Out-of-bounds Write Affecting vllm package, versions [0.10.2, 0.11.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-VLLM-14101291
- published23 Nov 2025
- disclosed20 Nov 2025
- creditAXION Omri
Introduced: 20 Nov 2025
CVE-2025-62164 (opens in a new tab)How to fix?
Upgrade vllm to version 0.11.1 or higher.
Overview
vllm is an A high-throughput and memory-efficient inference and serving engine for LLMs
Affected versions of this package are vulnerable to Out-of-bounds Write via the to_dense function in the Completions API endpoint when processing user-supplied prompt embeddings. An attacker can achieve memory corruption, crash the server process, or potentially execute arbitrary code by submitting maliciously crafted serialized tensors that bypass internal bounds checks.
Note:
The fix for this issue proved to be insufficient and the vendor has addressed additional concerns in version 0.13.0. See Snyk Advisory.