{"action":"Upgrade libssh2 to 1.11.1-r3 or later.","affected":[{"fixed":"1.11.1-r3","introduced":"0"}],"component":"libssh2","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.21","exploited":false,"fixed_versions":["1.11.1-r3"],"id":"tcs_01M5NFYV2D5X4GMT0BPMHN2R2S","modified_at":"2026-10-21T08:30:02.557897073Z","published_at":"2026-07-24T17:17:35.407Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-66034","https://security.alpinelinux.org/vuln/CVE-2026-66034"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-66034","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-66034"}],"summary":"libssh2 through 1.11.1, fixed in commit a13bb6c, contains a missing bounds check vulnerability that allows a malicious SSH server to trigger an arbitrary-length heap out-of-bounds read and a free of a"}