{"action":"Upgrade libssh2 to 1.11.1-r4 or later.","affected":[{"fixed":"1.11.1-r4","introduced":"0"}],"component":"libssh2","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["1.11.1-r4"],"id":"tcs_01M5NFWR3JSJW85ZJPAK0BTR3C","modified_at":"2026-10-21T08:30:02.631941036Z","published_at":"2026-06-28T02:16:32.153Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-58051","https://security.alpinelinux.org/vuln/CVE-2026-58051"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-58051#Alpine:v3.23/libssh2","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-58051"}],"summary":"libssh2 through 1.11.1 grows its publickey list with SSH2_REALLOC but does not zero-initialize new entries before parsing populates them, so a parse failure reaching the cleanup path leaves libssh2_pu"}