{"cve":"CVE-2018-1067","nvd":{"published":"2018-05-21T17:29:00.917","modified":"2026-06-17T01:50:24.477","status":"Modified","description":"In Undertow before versions 7.1.2.CR1, 7.1.2.GA it was found that the fix for CVE-2016-4993 was incomplete and Undertow web server is vulnerable to the injection of arbitrary HTTP headers, and also response splitting, due to insufficient sanitization and validation of user input before the input is used as part of an HTTP header value.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-113"],"references":["https://access.redhat.com/errata/RHSA-2018:1247","https://access.redhat.com/errata/RHSA-2018:1248","https://access.redhat.com/errata/RHSA-2018:1249","https://access.redhat.com/errata/RHSA-2018:1251","https://access.redhat.com/errata/RHSA-2018:2643"],"products":["redhat:jboss_enterprise_application_platform","redhat:undertow","redhat:virtualization_host"],"source":"nvd","synced_at":"2026-10-19T20:50:40.212176939+00:00"},"epss":{"cve":"CVE-2018-1067","score":0.01785,"percentile":0.78317,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-47mp-rq2x-wjf2","url":"https://osv.dev/vulnerability/GHSA-47mp-rq2x-wjf2","summary":"Improper Neutralization of CRLF Sequences in HTTP Headers in Undertow","modified":"2023-11-08T03:59:43.753395Z","packages":[{"ecosystem":"Maven","name":"org.jboss.eap:wildfly-undertow","purl":"pkg:maven/org.jboss.eap/wildfly-undertow","ranges":["<7.1.2.GA"],"fixed":["7.1.2.GA"]}]}],"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."]}