{"action":"Upgrade go to 1.16.6-r0 or later.","affected":[{"fixed":"1.16.6-r0","introduced":"1.16.0"}],"component":"go","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["1.16.6-r0"],"id":"tcs_01M6GVKM4D1DYRBZK2DZC9FP7T","modified_at":"2026-11-03T06:32:40.496739955Z","published_at":"2021-07-15T14:15:19.660Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-34558","https://security.alpinelinux.org/vuln/CVE-2021-34558"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-34558#Alpine:v3.23/go","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-34558"}],"summary":"The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malic"}