{"id":"MGASA-2016-0082","summary":"Updated libssh packages fix CVE-2016-0739","details":"Updated libssh packages fix security vulnerability:\n\nlibssh versions 0.1 and above have a bits/bytes confusion bug and generate an\nabnormally short ephemeral secret for the diffie-hellman-group1 and\ndiffie-hellman-group14 key exchange methods. The resulting secret is 128 bits\nlong, instead of the recommended sizes of 1024 and 2048 bits respectively.\nBoth client and server are vulnerable, pre-authentication. This\nvulnerability could be exploited by an eavesdropper with enough resources to\ndecrypt or intercept SSH sessions (CVE-2016-0739).\n","modified":"2026-04-16T06:26:22.431689327Z","published":"2016-02-24T17:06:40Z","upstream":["CVE-2016-0739"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2016-0082.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=17809"},{"type":"WEB","url":"https://www.libssh.org/2016/02/23/libssh-0-7-3-security-and-bugfix-release/"},{"type":"ADVISORY","url":"https://www.libssh.org/security/advisories/CVE-2016-0739.txt"}],"affected":[{"package":{"name":"libssh","ecosystem":"Mageia:5","purl":"pkg:rpm/mageia/libssh?arch=source&distro=mageia-5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.5-1.1.mga5"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2016-0082.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}