{"id":"MGASA-2015-0485","aliases":[],"status":"published","title":"Updated proftpd packages fix security vulnerabilities","description":"Updated proftpd packages fix security vulnerability:\n\nPart of the SFTP handshake involves \"extensions\", which are key/value pairs,\ncomprised of strings. In SSH, strings are encoded for network transport as a\n32-bit length, followed by the bytes. The mod_sftp module currently places no\nbounds/length limitations when reading these SFTP extension key/value data from\nthe network. A malicious attacker might attempt to encode large values, and\nallocate more memory than is necessary, causing excessive resource usage or the\nFTP daemon to crash (proftpd#4210).\n\nThis update also includes a fix for a crash in mod_lang (proftpd#4206).","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2015-12-24T11:08:20Z","modified":"2026-04-16T04:27:56Z","fixes":[{"ecosystem":"Mageia:5","package":"proftpd","fixed_in":["1.3.5-5.1.mga5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Mageia:5","package":"proftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5-5.1.mga5"}]}]}],"references":[{"url":"https://advisories.mageia.org/MGASA-2015-0485.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=17336","tags":["report"]},{"url":"http://bugs.proftpd.org/show_bug.cgi?id=4206","tags":["report"]},{"url":"http://bugs.proftpd.org/show_bug.cgi?id=4210","tags":["report"]},{"url":"https://lists.fedoraproject.org/pipermail/package-announce/2015-November/171090.html","tags":["web"]},{"url":"https://lists.fedoraproject.org/pipermail/package-announce/2015-December/173656.html","tags":["web"]}],"sources":{"osv":[{"id":"MGASA-2015-0485","title":"Updated proftpd packages fix security vulnerabilities","description":"Updated proftpd packages fix security vulnerability:\n\nPart of the SFTP handshake involves \"extensions\", which are key/value pairs,\ncomprised of strings. In SSH, strings are encoded for network transport as a\n32-bit length, followed by the bytes. The mod_sftp module currently places no\nbounds/length limitations when reading these SFTP extension key/value data from\nthe network. A malicious attacker might attempt to encode large values, and\nallocate more memory than is necessary, causing excessive resource usage or the\nFTP daemon to crash (proftpd#4210).\n\nThis update also includes a fix for a crash in mod_lang (proftpd#4206).\n","status":"published","published":"2015-12-24T11:08:20Z","modified":"2026-04-16T04:27:56.041365Z","updated_at":"2026-11-02T15:49:39.792687Z"}]}}