{"id":"CLSA-2026-1778159627","summary":"libssh2: Fix of 2 CVEs","details":"- CVE-2019-13115: add bounds-checked string_buf helpers and use them in\n  diffie_hellman_sha1() to prevent out-of-bounds read on malformed KEX\n  reply\n- CVE-2019-17498: harden bounds checks in SSH_MSG_DISCONNECT,\n  SSH_MSG_DEBUG and SSH_MSG_GLOBAL_REQUEST handlers to prevent integer\n  overflow / out-of-bounds read","modified":"2026-06-01T00:33:17.177826429Z","published":"2026-05-08T11:40:09Z","upstream":["CVE-2019-13115","CVE-2019-17498"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos6els/CLSA-2026-1778159627.html"}],"affected":[{"package":{"name":"libssh2","ecosystem":"TuxCare:CentOS:6","purl":"pkg:rpm/tuxcare/libssh2?distro=centos-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-3.0.1.el6_10.1.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1778159627.json"}},{"package":{"name":"libssh2-devel","ecosystem":"TuxCare:CentOS:6","purl":"pkg:rpm/tuxcare/libssh2-devel?distro=centos-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-3.0.1.el6_10.1.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1778159627.json"}},{"package":{"name":"libssh2-docs","ecosystem":"TuxCare:CentOS:6","purl":"pkg:rpm/tuxcare/libssh2-docs?distro=centos-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-3.0.1.el6_10.1.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1778159627.json"}}],"schema_version":"1.7.5"}