{"action":"Upgrade libssh2 to 1.8.1-r0 or later.","affected":[{"fixed":"1.8.1-r0","introduced":"0"}],"component":"libssh2","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["1.8.1-r0"],"id":"tcs_01M5NBQPBYRJYW5H2AGV0SW8TE","modified_at":"2026-09-21T06:17:52.520421349Z","published_at":"2019-03-21T16:01:04.843Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2019-3859","https://security.alpinelinux.org/vuln/CVE-2019-3859"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2019-3859#Alpine:v3.24/libssh2","url":"https://osv.dev/vulnerability/ALPINE-CVE-2019-3859"}],"summary":"An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to c"}