{"id":"CVE-2025-58181","sourceIdentifier":"security@golang.org","published":"2025-11-19T21:15:50.850","lastModified":"2026-10-18T20:10:00.110","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Servidores SSH que analizan las solicitudes de autenticación GSSAPI no validan el número de mecanismos especificados en la solicitud, permitiendo a un atacante causar un consumo de memoria ilimitado."}],"affected":[{"source":"security@golang.org","affectedData":[{"vendor":"golang.org/x/crypto","product":"golang.org/x/crypto/ssh","defaultStatus":"unaffected","collectionURL":"https://pkg.go.dev","packageName":"golang.org/x/crypto/ssh","programRoutines":[{"name":"parseGSSAPIPayload"},{"name":"NewServerConn"}],"versions":[{"version":"0","lessThan":"0.45.0","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-11-19T20:49:06.918113Z","id":"CVE-2025-58181","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-770"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*","versionEndExcluding":"0.45.0","matchCriteriaId":"0DB7D01D-5361-40FC-83A9-91A601A0321D"}]}]}],"references":[{"url":"https://go.dev/cl/721961","source":"security@golang.org","tags":["Patch"]},{"url":"https://go.dev/issue/76363","source":"security@golang.org","tags":["Issue Tracking"]},{"url":"https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA","source":"security@golang.org","tags":["Mailing List"]},{"url":"https://pkg.go.dev/vuln/GO-2025-4134","source":"security@golang.org","tags":["Vendor Advisory"]}]}