{"id":"CVE-2007-5939","aliases":["EUVD-2007-5909","GHSA-cfj4-7v4x-xmrv"],"status":"published","title":"The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory...","description":"The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username.  NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03796,"percentile":0.90066,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2007-12-06T15:00:00Z","modified":"2026-06-16T22:47:04Z","products":[{"vendor":"heimdal","product":"heimdal"}],"references":[{"url":"http://securitytracker.com/id?1019057","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://osvdb.org/44750","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.securityfocus.com/bid/26758","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://bugs.gentoo.org/show_bug.cgi?id=199207","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2007:239","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"http://marc.info/?l=full-disclosure\u0026m=119704362903699\u0026w=2","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-5939"},{"url":"https://github.com/advisories/GHSA-cfj4-7v4x-xmrv"}],"sources":{"cve":[{"id":"CVE-2007-5939","description":"The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username.  NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.","status":"published","published":"2007-12-06T15:00:00Z","modified":"2024-08-07T15:47:00.39Z","updated_at":"2026-11-02T13:32:11.910312Z"}],"euvd":[{"id":"EUVD-2007-5909","description":"The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username.  NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.","status":"published","published":"2007-12-06T15:00:00Z","modified":"2024-08-07T15:47:00Z","updated_at":"2026-11-03T01:16:15.2541Z"}],"ghsa":[{"id":"GHSA-cfj4-7v4x-xmrv","title":"The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory...","description":"The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username.  NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.","status":"published","published":"2022-05-01T18:38:11Z","modified":"2023-01-31T05:05:29Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:48:51.452715Z"}],"nvd":[{"id":"CVE-2007-5939","description":"The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username.  NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.","status":"published","published":"2007-12-06T15:46:00Z","modified":"2026-06-16T22:47:04.887Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:23.208914Z"}]}}