{"id":"CVE-2025-62164","summary":"VLLM deserialization vulnerability leading to DoS and potential RCE","details":"vLLM is an inference and serving engine for large language models (LLMs). From versions 0.10.2 to before 0.11.1, a memory corruption vulnerability could lead to a crash (denial-of-service) and potentially remote code execution (RCE), exists in the Completions API endpoint. When processing user-supplied prompt embeddings, the endpoint loads serialized tensors using torch.load() without sufficient validation. Due to a change introduced in PyTorch 2.8.0, sparse tensor integrity checks are disabled by default. As a result, maliciously crafted tensors can bypass internal bounds checks and trigger an out-of-bounds memory write during the call to to_dense(). This memory corruption can crash vLLM and potentially lead to code execution on the server hosting vLLM. This issue has been patched in version 0.11.1.","aliases":["GHSA-mrw7-hf4f-83pf"],"modified":"2026-04-10T05:32:52.267393Z","published":"2025-11-21T01:18:38.803Z","related":["CGA-x634-6q3f-m7jx"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62164.json","cwe_ids":["CWE-123","CWE-20","CWE-502","CWE-787"],"cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62164.json"},{"type":"ADVISORY","url":"https://github.com/vllm-project/vllm/security/advisories/GHSA-mrw7-hf4f-83pf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62164"},{"type":"FIX","url":"https://github.com/vllm-project/vllm/commit/58fab50d82838d5014f4a14d991fdb9352c9c84b"},{"type":"FIX","url":"https://github.com/vllm-project/vllm/pull/27204"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/vllm-project/vllm","events":[{"introduced":"01efc7ef781391e744ed08c3292817a773d654e6"},{"fixed":"439368496db48d8f992ba8c606a0c0b1eebbfa69"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-62164.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}