{"id":"CVE-2026-46597","aliases":["GHSA-q4h4-gmj2-qvw2","GO-2026-5013"],"url":"https://o3.security/vulnerability/CVE-2026-46597","summary":"Invoking  byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh","details":"An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.","published":"2026-05-22T02:31:26.754Z","modified":"2026-08-27T17:40:58.171893732Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.00473,"percentile":0.39251,"asOf":"2026-09-07"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"golang.org/x/crypto","fixedVersion":"0.52.0"}],"fix":null,"references":[{"type":"WEB","url":"https://go.dev/cl/781620"},{"type":"WEB","url":"https://go.dev/issue/79561"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/a082jnz-LvI"},{"type":"WEB","url":"https://pkg.go.dev"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2026-5013"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46597.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46597"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T17:40:58.171893732Z"}}