{"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:v3.22","exploited":false,"fixed_versions":["1.11.1-r3"],"id":"tcs_01M5NFYVYA9YPS9TGRTXVPD4MB","modified_at":"2026-10-21T08:30:02.573713663Z","published_at":"2026-07-24T17:17:35.547Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-66035","https://security.alpinelinux.org/vuln/CVE-2026-66035"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-66035#Alpine:v3.22/libssh2","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-66035"}],"summary":"libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client b"}