{"id":"GO-2026-5016","revision":null,"records":[{"revision":"e3275f5cec6247bc9229bf5bf910e3d7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-39827","aliases":[],"title":"Invoking  memory leak when rejecting channels can lead to DoS in golang.org/x/crypto/ssh","description":"An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.","state":0,"publishedAt":"2026-05-22T02:31:27.064+00:00","modifiedAt":"2026-05-22T18:35:40.472+00:00","affected":[{"ecosystem":"https://pkg.go.dev","name":"golang.org/x/crypto/ssh","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"golang.org/x/crypto\",\n                    \"product\": \"golang.org/x/crypto/ssh\",\n                    \"collectionURL\": \"https://pkg.go.dev\",\n                    \"packageName\": \"golang.org/x/crypto/ssh\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"0.52.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"programRoutines\": [\n                        {\n                            \"name\": \"channel.Reject\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[],"references":["https://go.dev/issue/35127","https://go.dev/cl/781320","https://groups.google.com/g/golang-announce/c/a082jnz-LvI","https://pkg.go.dev/vuln/GO-2026-5016"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-39827","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-39827","identifiers":["CVE-2026-39827"]},"retained":false,"historicalAffected":[]},{"revision":"25cc6bbfc1c442279968b994ce760d36","observedAt":"2026-11-11T09:34:47.64+00:00","statement":{"source":"euvd","id":"EUVD-2026-31392","aliases":["CVE-2026-39827","GHSA-qpw4-5x99-6vjp"],"title":"An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly remov…","description":"An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":null}],"references":["https://go.dev/issue/35127","https://go.dev/cl/781320","https://groups.google.com/g/golang-announce/c/a082jnz-LvI","https://pkg.go.dev/vuln/GO-2026-5016"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-31392","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"May 22, 2026, 2:31:27 AM","dateUpdated":"May 22, 2026, 6:35:40 PM"},"relatedAdvisories":[{"id":"SUSE-SU-2026:22226-1","title":"Security update for 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