{"id":"CLSA-2026-1787740667","summary":"Fix CVE(s): CVE-2026-66032","details":"   * SECURITY UPDATE: double free in sftp_open() lets a malicious SSH server\n     corrupt the heap of an authenticated client opening an SFTP session\n     - debian/patches/CVE-2026-66032.patch: set data to NULL after freeing the\n       SSH_FXP_STATUS response buffer on the FX_OK path, so the if(badness)\n       arm cannot free the same pointer a second time when the follow-up\n       sftp_packet_require() for SSH_FXP_HANDLE fails, in sftp_open() in\n       src/sftp.c\n     - CVE-2026-66032","modified":"2026-10-26T09:31:53.015543122Z","published":"2026-08-26T10:38:04Z","upstream":["CVE-2026-66032"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/debian10els/CLSA-2026-1787740667.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66032"}],"affected":[{"package":{"name":"libssh2-1","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libssh2-1?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-2.1+deb10u1+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1787740667.json"}},{"package":{"name":"libssh2-1-dev","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libssh2-1-dev?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-2.1+deb10u1+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1787740667.json"}}],"schema_version":"1.9.0"}