{"id":"CVE-2003-1135","aliases":["EUVD-2003-1125","GHSA-3w6m-fc8w-97c4"],"status":"published","title":"Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service ...","description":"Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of \"%\" (percent) characters after the Yahoo ID.","severity":{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.04515,"percentile":0.91581,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2003-12-31T05:00:00Z","modified":"2026-06-16T22:03:35Z","exploits":[{"source":"exploitdb","id":"EDB-23293","title":"Yahoo! Messenger 5.6 - File Transfer Buffer Overrun","type":"dos","platform":"windows","date":"2003-10-27","verified":true,"url":"https://www.exploit-db.com/exploits/23293"}],"products":[{"vendor":"yahoo","product":"messenger"}],"references":[{"url":"http://www.securityfocus.com/archive/1/342472","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/bid/8894","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-1135"},{"url":"https://github.com/advisories/GHSA-3w6m-fc8w-97c4"}],"sources":{"cve":[{"id":"CVE-2003-1135","description":"Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of \"%\" (percent) characters after the Yahoo ID.","status":"published","published":"2005-05-10T04:00:00Z","modified":"2024-09-16T16:38:22.11Z","updated_at":"2026-11-02T14:20:16.411288Z"}],"euvd":[{"id":"EUVD-2003-1125","description":"Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of \"%\" (percent) characters after the Yahoo ID.","status":"published","published":"2005-05-10T04:00:00Z","modified":"2024-09-16T16:38:22Z","updated_at":"2026-11-03T00:55:49.526752Z"}],"ghsa":[{"id":"GHSA-3w6m-fc8w-97c4","title":"Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service ...","description":"Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of \"%\" (percent) characters after the Yahoo ID.","status":"published","published":"2022-04-29T01:27:33Z","modified":"2023-01-30T05:02:00Z","updated_at":"2026-11-02T14:46:32.185763Z"}],"nvd":[{"id":"CVE-2003-1135","description":"Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of \"%\" (percent) characters after the Yahoo ID.","status":"published","published":"2003-12-31T05:00:00Z","modified":"2026-06-16T22:03:35.363Z","cvss":[{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:00:47.41445Z"}]}}