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vLLM is vulnerable to an Out-of-Memory (OOM) Denial of Service (DoS) attack due to unbounded frame count processing in the `VideoMediaIO.load_base64()` method
vLLM is vulnerable to an Out-of-Memory (OOM) Denial of Service (DoS) attack due to unbounded frame count processing in the `VideoMediaIO.load_base64()` method
Affected packages
- vllm— 0.8.0 → 0.19.0
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- 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
Structured record: https://osv.dev/vulnerability/GHSA-wcwg-c5fc-9vrc
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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