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Advisories

vLLM 0.19.0 before 0.24.0 Audio Decompression Bomb DoS via Chat Completions

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Severity
high
Date
Affecting

  • vllm >= 0.19.0, < 0.24.0

CWE
  • CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
rexpository, jperezdealgaba
Description
vLLM from 0.19.0 before 0.24.0 contains a decompression bomb vulnerability because the AudioMediaIO multimodal path calls load_audio without the max_duration_s decoded-duration limit. Authenticated attackers can send small compressed audio via input_audio or audio_url in /v1/chat/completions requests that expands to huge decoded PCM, exhausting server memory.

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