{"action":"Upgrade libssh2 to 1.11.1-1+deb13u2 or later.","affected":[{"fixed":"1.11.1-1+deb13u2","introduced":"0"}],"component":"libssh2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.11.1-1+deb13u2"],"id":"tcs_01M5NT3MM7WRERCQZG464C1YPR","modified_at":"2026-10-26T11:47:34.444782329Z","published_at":"2026-06-28T02:16:32.017Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-58050","https://security-tracker.debian.org/tracker/CVE-2026-58050"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-58050#Debian:13/libssh2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-58050"}],"summary":"libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation num_attrs * sizeof(libssh2_publickey_attribute) without bou"}