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Advisories

vLLM 0.30.0 before 0.31.0 Resource Exhaustion via OpenPangu Video Backend num_frames

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Severity
medium
Date
Affecting

  • vllm >= 0.30.0, < 0.31.0

CWE
  • CWE-770 Allocation of Resources Without Limits or Throttling
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Credit
gn00295120, jperezdealgaba
Description
vLLM 0.30.0 before 0.31.0 contains a resource exhaustion vulnerability in OpenCVDynamicOpenPanguVideoBackend, which uses request-controlled num_frames without an effective ceiling. Unauthenticated attackers can send /v1/chat/completions or /tokenize requests selecting the openpangu video_backend with a huge num_frames, forcing np.linspace allocations and CPU work that OOM-kill the API server.

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