{"cve":"CVE-2021-43565","nvd":{"published":"2022-09-06T18:15:10.297","modified":"2026-06-17T04:11:08.790","status":"Modified","description":"The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":[],"references":["https://groups.google.com/forum/#%21forum/golang-announce","https://groups.google.com/g/golang-announce/c/2AR1sKiM-Qs","https://groups.google.com/forum/#%21forum/golang-announce","https://groups.google.com/g/golang-announce/c/2AR1sKiM-Qs"],"products":["golang:ssh"],"source":"nvd","synced_at":"2026-10-19T21:35:14.992143698+00:00"},"epss":{"cve":"CVE-2021-43565","score":0.01193,"percentile":0.68015,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-gwc9-m7rh-j2ww","url":"https://osv.dev/vulnerability/GHSA-gwc9-m7rh-j2ww","summary":"x/crypto/ssh vulnerable to panic via malformed packets","modified":"2026-09-10T03:49:45.727312449Z","packages":[{"ecosystem":"Go","name":"golang.org/x/crypto","purl":"pkg:golang/golang.org/x/crypto","ranges":["<0.0.0-20211202192323-5770296d904e"],"fixed":["0.0.0-20211202192323-5770296d904e"]}]},{"id":"GO-2022-0968","url":"https://osv.dev/vulnerability/GO-2022-0968","summary":"Panic on malformed packets in golang.org/x/crypto/ssh","modified":"2026-02-04T04:04:49.626588Z","packages":[{"ecosystem":"Go","name":"golang.org/x/crypto","purl":"pkg:golang/golang.org/x/crypto","ranges":["<0.0.0-20211202192323-5770296d904e"],"fixed":["0.0.0-20211202192323-5770296d904e"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}