{"cve":"CVE-2018-12537","nvd":{"published":"2018-08-14T19:29:00.247","modified":"2026-06-17T01:37:55.803","status":"Modified","description":"In Eclipse Vert.x version 3.0 to 3.5.1, the HttpServer response headers and HttpClient request headers do not filter carriage return and line feed characters from the header value. This allow unfiltered values to inject a new header in the client request or server response.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-20","CWE-93"],"references":["https://access.redhat.com/errata/RHSA-2018:2371","https://access.redhat.com/errata/RHSA-2018:3768","https://bugs.eclipse.org/bugs/show_bug.cgi?id=536038","https://bugzilla.redhat.com/show_bug.cgi?id=1591072","https://github.com/eclipse/vert.x/commit/1bb6445226c39a95e7d07ce3caaf56828e8aab72"],"products":["eclipse:vert.x"],"source":"nvd","synced_at":"2026-10-19T20:52:03.425131697+00:00"},"epss":{"cve":"CVE-2018-12537","score":0.02482,"percentile":0.8459,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6cw8-7j6c-hccp","url":"https://osv.dev/vulnerability/GHSA-6cw8-7j6c-hccp","summary":"Moderate severity vulnerability that affects io.vertx:vertx-core","modified":"2024-12-02T05:51:57.061374Z","packages":[{"ecosystem":"Maven","name":"io.vertx:vertx-core","purl":"pkg:maven/io.vertx/vertx-core","ranges":[">=3.0.0 <3.5.2"],"fixed":["3.5.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}