CVE-2025-7339

{"id": "CVE-2025-7339", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "ce714d77-add3-4f53-aff5-83d477b104bb", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.4, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 0.8}]}, "published": "2025-07-17T16:15:35.403", "references": [{"url": "https://cna.openjsf.org/security-advisories.html", "source": "ce714d77-add3-4f53-aff5-83d477b104bb"}, {"url": "https://github.com/expressjs/morgan/issues/315", "source": "ce714d77-add3-4f53-aff5-83d477b104bb"}, {"url": "https://github.com/jshttp/on-headers/commit/c6e384908c9c6127d18831d16ab0bd96e1231867", "source": "ce714d77-add3-4f53-aff5-83d477b104bb"}, {"url": "https://github.com/jshttp/on-headers/issues/15", "source": "ce714d77-add3-4f53-aff5-83d477b104bb"}, {"url": "https://github.com/jshttp/on-headers/security/advisories/GHSA-76c9-3jph-rj3q", "source": "ce714d77-add3-4f53-aff5-83d477b104bb"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "ce714d77-add3-4f53-aff5-83d477b104bb", "description": [{"lang": "en", "value": "CWE-241"}]}], "descriptions": [{"lang": "en", "value": "on-headers is a node.js middleware for listening to when a response writes headers. A bug in on-headers versions `<1.1.0` may result in response headers being inadvertently modified when an array is passed to `response.writeHead()`.\u00a0Users should upgrade to version 1.1.0 to receive a patch.\u00a0Uses are strongly encouraged to upgrade to `1.1.0`, but this issue can be worked around by passing an object to `response.writeHead()` rather than an array."}], "lastModified": "2025-07-17T21:15:50.197", "sourceIdentifier": "ce714d77-add3-4f53-aff5-83d477b104bb"}