{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-04T05:45:58.810","vulnerabilities":[{"cve":{"id":"CVE-2025-7339","sourceIdentifier":"ce714d77-add3-4f53-aff5-83d477b104bb","published":"2025-07-17T16:15:35.403","lastModified":"2026-06-17T10:04:45.180","vulnStatus":"Deferred","cveTags":[],"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()`. Users should upgrade to version 1.1.0 to receive a patch. Uses 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."},{"lang":"es","value":"on-headers es un middleware de Node.js que detecta cuándo una respuesta escribe encabezados. Un error en las versiones de on-headers anteriores a la 1.1.0 puede provocar que los encabezados de respuesta se modifiquen accidentalmente al pasar una matriz a `response.writeHead()`. Los usuarios deben actualizar a la versión 1.1.0 para recibir una corrección. Se recomienda encarecidamente actualizar a la versión 1.1.0, pero este problema se puede solucionar pasando un objeto a `response.writeHead()` en lugar de una matriz."}],"affected":[{"source":"ce714d77-add3-4f53-aff5-83d477b104bb","affectedData":[{"vendor":"jshttp","product":"on-headers","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"1.1.0","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"ce714d77-add3-4f53-aff5-83d477b104bb","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","baseScore":3.4,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":0.8,"impactScore":2.5}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-07-17T20:24:38.580125Z","id":"CVE-2025-7339","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"ce714d77-add3-4f53-aff5-83d477b104bb","type":"Secondary","description":[{"lang":"en","value":"CWE-241"}]}],"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"}]}}]}