A denial of service bug caused the vLLM server to crash if an invalid regex was provided while using structured output. This vulnerability is similar to GHSA-6qc9-v4r8-22xg, but for regex instead of a JSON schema.
Issue with more details: https://github.com/vllm-project/vllm/issues/17313
{ "nvd_published_at": "2025-05-30T19:15:30Z", "cwe_ids": [ "CWE-248" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2025-05-28T19:42:12Z" }