{"cve":"CVE-2016-3959","nvd":{"published":"2016-05-23T19:59:04.477","modified":"2026-06-17T00:46:38.537","status":"Modified","description":"The Verify function in crypto/dsa/dsa.go in Go before 1.5.4 and 1.6.x before 1.6.1 does not properly check parameters passed to the big integer library, which might allow remote attackers to cause a denial of service (infinite loop) via a crafted public key to a program that uses HTTPS client certificates or SSH server libraries.","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-20"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182526.html","http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183106.html","http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183137.html","http://lists.opensuse.org/opensuse-updates/2016-05/msg00077.html","http://rhn.redhat.com/errata/RHSA-2016-1538.html"],"products":["fedoraproject:fedora","golang:go","opensuse:leap"],"source":"nvd","synced_at":"2026-10-19T20:38:51.654415212+00:00"},"epss":{"cve":"CVE-2016-3959","score":0.04358,"percentile":0.91244,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GO-2022-0166","url":"https://osv.dev/vulnerability/GO-2022-0166","summary":"Denial of service due to unchecked parameters in crypto/dsa","modified":"2024-05-20T16:03:47Z","packages":[{"ecosystem":"Go","name":"stdlib","purl":"pkg:golang/stdlib","ranges":["<1.5.4",">=1.6.0-0 <1.6.1"],"fixed":["1.5.4","1.6.1"]}]}],"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."]}