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CVE-2026-109311

7.1 high SSVC exploitation: poc Awaiting Analysis
NVD · CVE.org

vLLM before 0.29.0 passes uploaded audio to the PyAV/FFmpeg av.open() fallback with only a file-size check, exposing FFmpeg's IAMF parser heap overflow. Authenticated remote attackers can repeatedly upload malformed IAMF containers to /v1/audio/transcriptions, corrupting the heap and crashing the API process.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusReceived → Awaiting AnalysisNVD modified 2026-10-18 12:17
  2. First seenCVSS 7.1NVD modified 2026-10-12 17:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3