{"id":"DEBIAN-CVE-2013-0176","details":"The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a \"Client: Diffie-Hellman Key Exchange Init\" packet.","modified":"2026-09-16T06:47:36.650194619Z","published":"2013-02-05T23:55:01.850Z","upstream":["CVE-2013-0176"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2013-0176"}],"affected":[{"package":{"name":"libssh","ecosystem":"Debian:12","purl":"pkg:deb/debian/libssh?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.4-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2013-0176.json"}},{"package":{"name":"libssh","ecosystem":"Debian:13","purl":"pkg:deb/debian/libssh?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.4-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2013-0176.json"}},{"package":{"name":"libssh","ecosystem":"Debian:14","purl":"pkg:deb/debian/libssh?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.4-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2013-0176.json"}}],"schema_version":"1.9.0"}