{"cve":"CVE-2018-16875","nvd":{"published":"2018-12-14T14:29:00.523","modified":"2026-06-17T01:44:58.143","status":"Modified","description":"The crypto/x509 package of Go before 1.10.6 and 1.11.x before 1.11.3 does not limit the amount of work performed for each chain verification, which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients are affected.","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:N/A:H","score":7.5},"cwes":["CWE-295","CWE-20"],"references":["http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00044.html","http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00060.html","http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00011.html","http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00015.html","http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00010.html"],"products":["golang:go","opensuse:leap"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-16875","score":0.06475,"percentile":0.93752,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GO-2022-0191","url":"https://osv.dev/vulnerability/GO-2022-0191","summary":"Denial of service in chain verification in crypto/x509","modified":"2024-05-20T16:03:47Z","packages":[{"ecosystem":"Go","name":"stdlib","purl":"pkg:golang/stdlib","ranges":["<1.10.6",">=1.11.0-0 <1.11.3"],"fixed":["1.10.6","1.11.3"]}]}],"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."]}