{"id":"CVE-2025-61729","sourceIdentifier":"security@golang.org","published":"2025-12-02T19:15:51.447","lastModified":"2026-10-18T18:10:00.100","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Within HostnameError.Error(), when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can result in excessive resource consumption."},{"lang":"es","value":"Dentro de HostnameError.Error(), al construir una cadena de error, no hay límite en el número de hosts que se imprimirán. Además, la cadena de error se construye mediante la concatenación repetida de cadenas, lo que lleva a un tiempo de ejecución cuadrático. Por lo tanto, un certificado proporcionado por un actor malicioso puede resultar en un consumo excesivo de recursos."}],"affected":[{"source":"security@golang.org","affectedData":[{"vendor":"Go standard library","product":"crypto/x509","defaultStatus":"unaffected","collectionURL":"https://pkg.go.dev","packageName":"crypto/x509","programRoutines":[{"name":"Certificate.VerifyHostname"},{"name":"Certificate.Verify"}],"versions":[{"version":"0","lessThan":"1.24.11","versionType":"semver","status":"affected"},{"version":"1.25.0","lessThan":"1.25.5","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:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-12-02T21:52:36.341575Z","id":"CVE-2025-61729","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-295"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*","versionEndExcluding":"1.24.11","matchCriteriaId":"F2E6FD2A-A487-4099-B91D-2429F286AC6D"},{"vulnerable":true,"criteria":"cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*","versionStartIncluding":"1.25.0","versionEndExcluding":"1.25.5","matchCriteriaId":"39C03A37-B94B-46E4-B1C2-A70A870F8E53"}]}]}],"references":[{"url":"https://go.dev/cl/725920","source":"security@golang.org","tags":["Patch"]},{"url":"https://go.dev/issue/76445","source":"security@golang.org","tags":["Issue Tracking","Patch"]},{"url":"https://groups.google.com/g/golang-announce/c/8FJoBkPddm4","source":"security@golang.org","tags":["Mailing List","Release Notes"]},{"url":"https://pkg.go.dev/vuln/GO-2025-4155","source":"security@golang.org","tags":["Vendor Advisory"]}]}