{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-7339","assignerOrgId":"ce714d77-add3-4f53-aff5-83d477b104bb","state":"PUBLISHED","assignerShortName":"openjs","dateReserved":"2025-07-07T20:01:14.812Z","datePublished":"2025-07-17T15:47:39.680Z","dateUpdated":"2025-07-17T20:24:47.447Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"on-headers","vendor":"jshttp","versions":[{"lessThan":"1.1.0","status":"affected","version":"0","versionType":"semver"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"on-headers is a node.js middleware for listening to <span style=\"background-color: rgb(33, 40, 48);\">when a response writes headers.</span> A bug in on-headers versions `&lt;1.1.0` may result in response headers being inadvertently modified when an array is passed to `response.writeHead()`.&nbsp;<span style=\"background-color: rgb(24, 26, 27);\">Users should upgrade to version 1.1.0 to receive a patch.&nbsp;</span>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.<br>"}],"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."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":3.4,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-241","description":"CWE-241","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"ce714d77-add3-4f53-aff5-83d477b104bb","shortName":"openjs","dateUpdated":"2025-07-17T15:47:39.680Z"},"references":[{"url":"https://github.com/jshttp/on-headers/security/advisories/GHSA-76c9-3jph-rj3q"},{"url":"https://github.com/jshttp/on-headers/commit/c6e384908c9c6127d18831d16ab0bd96e1231867"},{"url":"https://cna.openjsf.org/security-advisories.html"},{"url":"https://github.com/expressjs/morgan/issues/315"},{"url":"https://github.com/jshttp/on-headers/issues/15"}],"source":{"discovery":"UNKNOWN"},"title":"on-headers vulnerable to http response header manipulation","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-07-17T20:24:38.580125Z","id":"CVE-2025-7339","options":[{"Exploitation":"poc"},{"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":"2025-07-17T20:24:47.447Z"}}]}}