{"id":"UBUNTU-CVE-2020-29652","details":"A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.","modified":"2025-10-24T04:48:56Z","published":"2020-12-17T05:15:00Z","upstream":["CVE-2020-29652"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-29652"},{"type":"REPORT","url":"https://go-review.googlesource.com/c/crypto/+/278852"},{"type":"REPORT","url":"https://groups.google.com/g/golang-announce/c/ouZIlBimOsE?pli=1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-29652"}],"affected":[{"package":{"name":"golang-go.crypto","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/golang-go.crypto@1:0.0~git20200221.2aa609c-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.0~git20190701.4def268-2","1:0.0~git20200221.2aa609c-1","1:0.0~git20200221.2aa609c-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-golang-x-crypto-dev","binary_version":"1:0.0~git20200221.2aa609c-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-29652.json"}},{"package":{"name":"golang-go.crypto","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-go.crypto@1:0.0~git20201221.eec23a3-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.0~git20201221.eec23a3-1"}]}],"ecosystem_specific":{"binaries":[{"binary_name":"golang-golang-x-crypto-dev","binary_version":"1:0.0~git20201221.eec23a3-1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-29652.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}