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Advisories

vLLM before 0.28.0 Denial of Service via Audio Header

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severity
high
date
Affecting

  • vLLM >= 0, < 0.28.0

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
oran-s, jperezdealgaba
Description
vLLM versions before 0.28.0 fail to validate audio sample rate headers in the transcription endpoint, allowing authenticated clients to bypass duration checks. Attackers can submit forged FLAC headers with inflated sample rates to trigger excessive memory allocation and crash the API server process affecting all tenants.

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