{"cve":"CVE-2025-58181","nvd":{"published":"2025-11-19T21:15:50.850","modified":"2026-10-18T20:10:00.110","status":"Analyzed","description":"SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-770"],"references":["https://go.dev/cl/721961","https://go.dev/issue/76363","https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA","https://pkg.go.dev/vuln/GO-2025-4134"],"products":["golang:crypto"],"source":"nvd","synced_at":"2026-10-19T22:16:02.354564667+00:00"},"epss":{"cve":"CVE-2025-58181","score":0.00597,"percentile":0.48217,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-j5w8-q4qc-rx2x","url":"https://osv.dev/vulnerability/GHSA-j5w8-q4qc-rx2x","summary":"golang.org/x/crypto/ssh allows an attacker to cause unbounded memory consumption","modified":"2026-09-10T03:50:30.983878807Z","packages":[{"ecosystem":"Go","name":"golang.org/x/crypto","purl":"pkg:golang/golang.org/x/crypto","ranges":["<0.45.0"],"fixed":["0.45.0"]}]},{"id":"GO-2025-4134","url":"https://osv.dev/vulnerability/GO-2025-4134","summary":"Unbounded memory consumption in golang.org/x/crypto/ssh","modified":"2026-05-15T10:59:24.784913658Z","packages":[{"ecosystem":"Go","name":"golang.org/x/crypto","purl":"pkg:golang/golang.org/x/crypto","ranges":["<0.45.0"],"fixed":["0.45.0"]}]}],"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."]}