{"id":"CVE-2013-0176","aliases":["DEBIAN-CVE-2013-0176","EUVD-2013-0214","GHSA-mwpj-rq8j-724c","openSUSE-SU-2024:10036-1"],"status":"published","title":"The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched...","description":"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.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03049,"percentile":0.8764,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2013-02-05T23:11:00Z","modified":"2026-09-01T20:03:14Z","fixes":[{"ecosystem":"Debian:12","package":"libssh","fixed_in":["0.5.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libssh","fixed_in":["0.5.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libssh","fixed_in":["0.5.4-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.4-1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"libssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.2-2.1"}]}],"bundled":7}],"products":[{"vendor":"libssh","product":"libssh"}],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098094.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/81595","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://secunia.com/advisories/51982","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098065.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://www.ubuntu.com/usn/USN-1707-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-0176"},{"url":"http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release"},{"url":"https://github.com/advisories/GHSA-mwpj-rq8j-724c"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-0176","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4559","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4560","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4561","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-0176","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0017","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-8132","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3146","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2013-0176","description":"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.","status":"published","published":"2013-02-05T23:11:00Z","modified":"2024-08-06T14:18:09.365Z","updated_at":"2026-11-02T14:34:59.872731Z"}],"euvd":[{"id":"EUVD-2013-0214","description":"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.","status":"published","published":"2013-02-05T23:11:00Z","modified":"2024-08-06T14:18:09Z","updated_at":"2026-11-03T01:56:46.251982Z"}],"ghsa":[{"id":"GHSA-mwpj-rq8j-724c","title":"The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched...","description":"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.","status":"published","published":"2022-05-05T02:48:31Z","modified":"2025-04-11T04:08:13Z","updated_at":"2026-11-02T15:01:13.040475Z"}],"nvd":[{"id":"CVE-2013-0176","description":"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.","status":"published","published":"2013-02-05T23:55:01.85Z","modified":"2026-06-16T23:48:54.703Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:21.222658Z"}],"osv":[{"id":"CVE-2013-0176","description":"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.","status":"published","published":"2013-02-05T23:55:01Z","modified":"2026-04-10T03:42:37.619211Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2013-0176","description":"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.","status":"published","published":"2013-02-05T23:55:01.85Z","modified":"2026-09-01T20:03:14.519344477Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"openSUSE-SU-2024:10036-1","title":"libssh-devel-0.7.2-2.1 on GA media","description":"These are all security issues fixed in the libssh-devel-0.7.2-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:40:55.349655Z","updated_at":"2026-11-02T16:58:33.135986Z"}]}}