HIGH 7.1 NVD
CVE-2026-109311
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. Authent
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.
References
- https://github.com/vllm-project/vllm/security/advisories/GHSA-m52c-39rh-f3gp
- https://www.vulncheck.com/advisories/vllm-before-0.29.0-heap-overflow-dos-via-iamf-audio-t
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-10-12 via NVD.
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