CVE-2026-34755
CVE-2026-34755 · vLLM Affected by Denial of Service via Unbounded Frame Count in video/jpeg Base64 Processing
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vLLM is an inference and serving engine for large language models (LLMs). From 0.7.0 to before 0.19.0, the VideoMediaIO.load_base64() method at vllm/multimodal/media/video.py splits video/jpeg data URLs by comma to extract individual JPEG frames, but does not enforce a frame count limit. The num_frames parameter (default: 32), which is enforced by the load_bytes() code path, is completely bypassed in the video/jpeg base64 path. An attacker can send a single API request containing thousands of comma-separated base64-encoded JPEG frames, causing the server to decode all frames into memory and crash with OOM. This vulnerability is fixed in 0.19.0.
CVSS 6.5 · Mittel · EPSS 0,5% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: python
Betroffene Produkte und Versionen
vllm
- Softwareversionen
- >= 0.7.0, < 0.19.0: Betroffen
Keine Korrektur veröffentlicht
vllm PyPI
- Softwareversionen
- 0.10.0
- 0.10.1
- 0.10.1.1
- 0.10.2
- 0.11.0
- 0.11.1
- 0.11.2
- 0.12.0
- 0.13.0
- 0.14.0
- 0.14.1
- 0.15.0
- 0.15.1
- 0.16.0
- 0.17.0
- 0.17.1
- 0.18.0
- 0.18.1
- 0.7.0
- 0.7.1
- 0.7.2
- 0.7.3
- 0.8.0
- 0.8.1
- 0.8.2
- 0.8.3
- 0.8.4
- 0.8.5
- 0.8.5.post1
- 0.9.0
- 0.9.0.1
- 0.9.1
- 0.9.2
- Betroffene Versionsbereiche
- ECOSYSTEM: ≥ 0.7.0, < 0.19.0
Auf 0.19.0 aktualisieren
Originalquellen
- https://github.com/vllm-project/vllm/security/advisories/GHSA-pq5c-rjhq-qp7p
- https://access.redhat.com/security/cve/CVE-2026-34755
- https://bugzilla.redhat.com/show_bug.cgi?id=2455403
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34755.json
- https://access.redhat.com/errata/RHSA-2026:36005
- https://access.redhat.com/errata/RHSA-2026:36006
- https://access.redhat.com/errata/RHSA-2026:57380
- https://access.redhat.com/errata/RHSA-2026:57389
- https://access.redhat.com/errata/RHSA-2026:57390
- https://access.redhat.com/errata/RHSA-2026:57387
- https://access.redhat.com/errata/RHSA-2026:59151
- https://access.redhat.com/errata/RHSA-2026:59144
- https://nvd.nist.gov/vuln/detail/CVE-2026-34755