{"id":"DEBIAN-CVE-2017-18594","details":"nse_libssh2.cc in Nmap 7.70 is subject to a denial of service condition due to a double free when an SSH connection fails, as demonstrated by a leading \\n character to ssh-brute.nse or ssh-auth-methods.nse.","modified":"2026-09-01T16:03:57.621973241Z","published":"2019-08-29T00:15:10.467Z","upstream":["CVE-2017-18594"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2017-18594"}],"affected":[{"package":{"name":"nmap","ecosystem":"Debian:12","purl":"pkg:deb/debian/nmap?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.80+dfsg1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2017-18594.json"}},{"package":{"name":"nmap","ecosystem":"Debian:13","purl":"pkg:deb/debian/nmap?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.80+dfsg1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2017-18594.json"}},{"package":{"name":"nmap","ecosystem":"Debian:14","purl":"pkg:deb/debian/nmap?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.80+dfsg1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2017-18594.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}