{"id":"CVE-2025-58181","aliases":["GHSA-j5w8-q4qc-rx2x","GO-2025-4134"],"url":"https://o3.security/vulnerability/CVE-2025-58181","summary":"Unbounded memory consumption in golang.org/x/crypto/ssh","details":"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.","published":"2025-11-19T20:33:42.795Z","modified":"2026-09-15T10:26:39.479599374Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"golang.org/x/crypto","fixedVersion":"0.45.0"}],"fix":null,"references":[{"type":"WEB","url":"https://go.dev/cl/721961"},{"type":"WEB","url":"https://go.dev/issue/76363"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA"},{"type":"WEB","url":"https://pkg.go.dev"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2025-4134"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/58xxx/CVE-2025-58181.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-58181"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-15T10:26:39.479599374Z"}}