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vuln-cve/data/2026/90xxx/CVE-2026-90554.json
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{
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"cveId": "CVE-2026-90554",
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"state": "PUBLISHED",
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"dateReserved": "2026-09-12T11:13:43.326Z",
"datePublished": "2026-09-12T12:08:57.508Z",
"dateUpdated": "2026-09-14T18:16:18.655Z"
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"datePublic": "2026-08-28T00:00:00.000Z",
"title": "vLLM before 0.28.0 Denial of Service via audio extraction",
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"lang": "en",
"value": "vLLM versions >=0.10.2 and <0.28.0 do not apply any audio decode-size or duration limit when extracting audio from video input for NanoNemotronVL models. In nano_nemotron_vl.py, _extract_audio_from_videos calls load_audio_pyav(BytesIO(video_bytes)) without the max_duration_s or max_decode_bytes parameters, so neither VLLM_MAX_AUDIO_DECODE_DURATION_S nor VLLM_MAX_AUDIO_DECODE_BYTES is enforced (unlike the direct audio upload path in AudioMediaIO). When a NanoNemotronVL model is served with use_audio_in_video=True, an attacker who supplies a small, highly compressed video as multimodal input can force the server to allocate gigabytes of memory during audio decoding, resulting in a denial of service. Fixed in vLLM 0.28.0."
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