{"action":"Upgrade libssh2 to 1.11.1-1+deb13u1 or later.","affected":[{"fixed":"1.11.1-1+deb13u1","introduced":"0"}],"component":"libssh2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.11.1-1+deb13u1"],"id":"tcs_01M5NT017XHR6F8PDGGSJ88FY2","modified_at":"2026-10-23T17:47:27.626346767Z","published_at":"2026-06-17T20:17:28.667Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-55200","https://security-tracker.debian.org/tracker/CVE-2026-55200"],"severity":{"label":"high","score":8.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-55200","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-55200"}],"summary":"libssh2 1.11.1, fixed in commit 97acf3d, contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send cra"}