{"action":"Upgrade libssh2 to 1.10.0-3+deb12u1 or later.","affected":[{"fixed":"1.10.0-3+deb12u1","introduced":"0"}],"component":"libssh2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.10.0-3+deb12u1"],"id":"tcs_01M5NT3N4VG3CQW5BSVMGDMJE0","modified_at":"2026-10-26T11:47:30.296504984Z","published_at":"2026-06-28T02:16:32.153Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-58051","https://security-tracker.debian.org/tracker/CVE-2026-58051"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-58051","url":"https://osv.dev/vulnerability/DEBIAN-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"}