{"cve":"CVE-2019-16771","nvd":{"published":"2019-12-06T19:15:10.787","modified":"2026-06-17T02:22:46.137","status":"Modified","description":"Versions of Armeria 0.85.0 through and including 0.96.0 are vulnerable to HTTP response splitting, which allows remote attackers to inject arbitrary HTTP headers via CRLF sequences when unsanitized data is used to populate the headers of an HTTP response. This vulnerability has been patched in 0.97.0. Potential impacts of this vulnerability include cross-user defacement, cache poisoning, Cross-site scripting (XSS), and page hijacking.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":6.5},"cwes":["CWE-74","CWE-113"],"references":["https://github.com/line/armeria/commit/b597f7a865a527a84ee3d6937075cfbb4470ed20","https://github.com/line/armeria/security/advisories/GHSA-35fr-h7jr-hh86","https://github.com/line/armeria/commit/b597f7a865a527a84ee3d6937075cfbb4470ed20","https://github.com/line/armeria/security/advisories/GHSA-35fr-h7jr-hh86"],"products":["linecorp:armeria"],"source":"nvd","synced_at":"2026-10-19T20:59:27.069234358+00:00"},"epss":{"cve":"CVE-2019-16771","score":0.00982,"percentile":0.62293,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-24r8-fm9r-cpj2","url":"https://osv.dev/vulnerability/GHSA-24r8-fm9r-cpj2","summary":"Low severity vulnerability that affects com.linecorp.armeria:armeria","modified":"2026-07-08T05:56:18.529817622Z","packages":[{"ecosystem":"Maven","name":"com.linecorp.armeria:armeria","purl":"pkg:maven/com.linecorp.armeria/armeria","ranges":[">=0.50.0 <0.97.0"],"fixed":["0.97.0"]}]},{"id":"GHSA-35fr-h7jr-hh86","url":"https://osv.dev/vulnerability/GHSA-35fr-h7jr-hh86","summary":"Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') in Armeria","modified":"2026-07-08T05:59:48.482166101Z","packages":[{"ecosystem":"Maven","name":"com.linecorp.armeria:armeria","purl":"pkg:maven/com.linecorp.armeria/armeria","ranges":[">=0.85.0 <0.97.0"],"fixed":["0.97.0"]}]}],"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."]}