vLLM versions 0.8.0 and later are vulnerable to an Out-of-Memory (OOM) Denial of Service (DoS) attack due to unbounded frame count processing in the `VideoMediaIO.load_base64()` method. When processin
vLLM versions 0.8.0 and later are vulnerable to an Out-of-Memory (OOM) Denial of Service (DoS) attack due to unbounded frame count processing in the VideoMediaIO.load_base64() method. When processing video/jpeg data URLs, the method splits the base64 data string on commas to extract individual JPEG frames without enforcing a frame count limit. An attacker can exploit this by crafting a single API request containing thousands of comma-separated base64-encoded JPEG frames in a data URL, causing the server to decode all frames into memory and crash due to excessive memory consumption. This vulnerability is reachable via the OpenAI-compatible chat completions API and does not require authentication.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Python (PyPI) | vllm | >= 0.8.0, < 0.19.0 | 0.19.0 |
Referencias
- https://nvd.nist.gov/vuln/detail/CVE-2026-5497
- https://github.com/vllm-project/vllm/commit/58ee61422169ce17e08248f8efa1e9df434fe395
- https://access.redhat.com/errata/RHSA-2026:33524
- https://access.redhat.com/errata/RHSA-2026:33531
- https://access.redhat.com/security/cve/CVE-2026-5497
- https://bugzilla.redhat.com/show_bug.cgi?id=2487813
- https://github.com/pypa/advisory-database/tree/main/vulns/vllm/PYSEC-2026-2302.yaml
- https://github.com/vllm-project/vllm
- https://huntr.com/bounties/7bd92629-b396-4449-8f88-6c0092530eb4
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5497.json
- https://github.com/advisories/GHSA-wcwg-c5fc-9vrc
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Debilidad (CWE)
CWE-400, CWE-770- Plataforma
- Python (PyPI)
- Paquete
vllm- Publicada
- 11.06.2026
- Actualizado
- 11.10.2026 14:19
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-wcwg-c5fc-9vrc - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2026-2302 - PyPA Advisory Database; CC BY 4.0
Historial de vulnerabilidades: vllm
Todas las vulnerabilidades publicadas de este paquete (Python (PyPI)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 94
- Primera → última
- 09.2024 10.2026
- Sin corrección
- 5
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 9
- Alta 23
- Media 47
- Baja 4
- Sin evaluar 11
Divulgaciones por año
- 2024: 2
- 2025: 30
- 2026: 62
-
vLLM versions 0.8.0 and later are vulnerable to an Out-of-Memory (OOM) Denial of Service (DoS) attack due to unbounded frame count processing in the `VideoMediaIO.load_base64()` method. When processin esta entrada
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