{"id":"CVE-2007-4429","aliases":["EUVD-2007-4412","GHSA-875w-pqpj-756w"],"status":"published","title":"Unspecified vulnerability in Skype allows remote attackers to cause a denial of service (server...","description":"Unspecified vulnerability in Skype allows remote attackers to cause a denial of service (server hang) via unknown vectors related to sending long URIs, as claimed to be actively exploited on 20070817 using a \"call to a specific number.\"  NOTE: this identifier is for the en.securitylab.ru disclosure.  According to the vendor, this issue is separate from the \"sign-on issues\" that reduced Skype service on 20070817, which appears to be a site-specific problem.  As of 20070821, it is not clear whether this issue is simply a symptom of the larger sign-on problem.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02195,"percentile":0.82579,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-08-20T19:00:00Z","modified":"2026-06-16T22:44:04Z","products":[{"vendor":"skype_technologies","product":"skype"}],"references":[{"url":"http://www.securityfocus.com/archive/1/477156/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/477240/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://securityreason.com/securityalert/3032","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://en.securitylab.ru/poc/extra/301419.php","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://heartbeat.skype.com/2007/08/what_happened_on_august_16.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://blogs.csoonline.com/the_skype_mystery_why_blame_the_august_windows_updates","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securitylab.ru/news/301422.php","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://heartbeat.skype.com/2007/08/where_we_are_at_1100_gmt.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://en.securitylab.ru/poc/301420.php","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/archive/1/477178/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/476942/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-4429"},{"url":"https://github.com/advisories/GHSA-875w-pqpj-756w"}],"sources":{"cve":[{"id":"CVE-2007-4429","description":"Unspecified vulnerability in Skype allows remote attackers to cause a denial of service (server hang) via unknown vectors related to sending long URIs, as claimed to be actively exploited on 20070817 using a \"call to a specific number.\"  NOTE: this identifier is for the en.securitylab.ru disclosure.  According to the vendor, this issue is separate from the \"sign-on issues\" that reduced Skype service on 20070817, which appears to be a site-specific problem.  As of 20070821, it is not clear whether this issue is simply a symptom of the larger sign-on problem.","status":"published","published":"2007-08-20T19:00:00Z","modified":"2024-08-07T14:53:55.865Z","updated_at":"2026-11-02T13:33:30.262137Z"}],"euvd":[{"id":"EUVD-2007-4412","description":"Unspecified vulnerability in Skype allows remote attackers to cause a denial of service (server hang) via unknown vectors related to sending long URIs, as claimed to be actively exploited on 20070817 using a \"call to a specific number.\"  NOTE: this identifier is for the en.securitylab.ru disclosure.  According to the vendor, this issue is separate from the \"sign-on issues\" that reduced Skype service on 20070817, which appears to be a site-specific problem.  As of 20070821, it is not clear whether this issue is simply a symptom of the larger sign-on problem.","status":"published","published":"2007-08-20T19:00:00Z","modified":"2024-08-07T14:53:55Z","updated_at":"2026-11-03T01:16:21.520411Z"}],"ghsa":[{"id":"GHSA-875w-pqpj-756w","title":"Unspecified vulnerability in Skype allows remote attackers to cause a denial of service (server...","description":"Unspecified vulnerability in Skype allows remote attackers to cause a denial of service (server hang) via unknown vectors related to sending long URIs, as claimed to be actively exploited on 20070817 using a \"call to a specific number.\"  NOTE: this identifier is for the en.securitylab.ru disclosure.  According to the vendor, this issue is separate from the \"sign-on issues\" that reduced Skype service on 20070817, which appears to be a site-specific problem.  As of 20070821, it is not clear whether this issue is simply a symptom of the larger sign-on problem.","status":"published","published":"2022-05-01T18:23:34Z","modified":"2023-01-31T05:04:40Z","updated_at":"2026-11-02T14:48:42.977051Z"}],"nvd":[{"id":"CVE-2007-4429","description":"Unspecified vulnerability in Skype allows remote attackers to cause a denial of service (server hang) via unknown vectors related to sending long URIs, as claimed to be actively exploited on 20070817 using a \"call to a specific number.\"  NOTE: this identifier is for the en.securitylab.ru disclosure.  According to the vendor, this issue is separate from the \"sign-on issues\" that reduced Skype service on 20070817, which appears to be a site-specific problem.  As of 20070821, it is not clear whether this issue is simply a symptom of the larger sign-on problem.","status":"published","published":"2007-08-20T19:17:00Z","modified":"2026-06-16T22:44:04.877Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:19.102336Z"}]}}