{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-71379", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-20T13:11:44.728Z", "datePublished": "2026-06-20T18:27:09.485Z", "dateUpdated": "2026-06-22T18:12:51.944Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-20T18:27:09.485Z" }, "datePublic": "2025-05-28T00:00:00.000Z", "title": "vllm - Regular Expression Denial of Service in Multiple Components", "descriptions": [ { "lang": "en", "value": "vLLM versions >= 0.6.3 and < 0.9.0 contain multiple regular expression denial of service (ReDoS) vulnerabilities. Several regex patterns — in vllm/lora/utils.py, the phi4mini tool parser, and the OpenAI-compatible serving chat endpoint — are susceptible to catastrophic backtracking. An attacker submitting crafted input with nested or repeated structures can trigger severe CPU consumption and performance degradation, resulting in denial of service." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Inefficient Regular Expression Complexity", "cweId": "CWE-1333", "type": "CWE" } ] } ], "affected": [ { "vendor": "vllm", "product": "vllm", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/vllm", "versions": [ { "version": "0.6.3", "status": "affected", "versionType": "semver", "lessThan": "0.9.0" }, { "version": "0.9.0", "status": "unaffected", "versionType": "semver" } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM" } } ], "references": [ { "url": "https://github.com/vllm-project/vllm/security/advisories/GHSA-j828-28rj-hfhp", "name": "GHSA Advisory GHSA-j828-28rj-hfhp", "tags": [ "vendor-advisory" ] }, { "name": "VulnCheck Advisory: vllm - Regular Expression Denial of Service in Multiple Components", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/vllm-regular-expression-denial-of-service-in-multiple-components" } ], "x_generator": { "engine": "vulncheck" }, "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.6.3", "versionEndExcluding": "0.9.0" } ] } ] } ], "credits": [ { "lang": "en", "value": "kexinoh", "type": "reporter" }, { "lang": "en", "value": "russellb", "type": "coordinator" }, { "lang": "en", "value": "mgoin", "type": "finder" } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-22T17:54:20.295719Z", "id": "CVE-2025-71379", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-22T18:12:51.944Z" } } ] } }