{"id":"CVE-2006-0631","aliases":["EUVD-2006-0638","GHSA-gwc7-xw2f-f6wx"],"status":"published","title":"CRLF injection vulnerability in mailback.pl in Erik C. Thauvin mailback allows remote attackers...","description":"CRLF injection vulnerability in mailback.pl in Erik C. Thauvin mailback allows remote attackers to use mailback as a \"spam proxy\" by modifying mail headers, including recipient e-mail addresses, via newline characters in the Subject field.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01656,"percentile":0.76802,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-02-10T11:00:00Z","modified":"2026-06-16T22:20:58Z","products":[{"vendor":"erik_c._thauvin","product":"mailback"}],"references":[{"url":"http://seclists.org/lists/bugtraq/2006/Feb/0094.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/24540","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2006/0459","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://seclists.org/lists/bugtraq/2006/Feb/0154.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit"]},{"url":"http://www.osvdb.org/22955","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Patch"]},{"url":"http://secunia.com/advisories/18748","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://vc.thauvin.net/cvs/cgi/mailback/mailback.pl?view=log","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-0631"},{"url":"https://github.com/advisories/GHSA-gwc7-xw2f-f6wx"}],"sources":{"cve":[{"id":"CVE-2006-0631","description":"CRLF injection vulnerability in mailback.pl in Erik C. Thauvin mailback allows remote attackers to use mailback as a \"spam proxy\" by modifying mail headers, including recipient e-mail addresses, via newline characters in the Subject field.","status":"published","published":"2006-02-10T11:00:00Z","modified":"2024-08-07T16:41:29.028Z","updated_at":"2026-11-02T14:33:52.569914Z"}],"euvd":[{"id":"EUVD-2006-0638","description":"CRLF injection vulnerability in mailback.pl in Erik C. Thauvin mailback allows remote attackers to use mailback as a \"spam proxy\" by modifying mail headers, including recipient e-mail addresses, via newline characters in the Subject field.","status":"published","published":"2006-02-10T11:00:00Z","modified":"2024-08-07T16:41:29Z","updated_at":"2026-11-03T01:16:08.538379Z"}],"ghsa":[{"id":"GHSA-gwc7-xw2f-f6wx","title":"CRLF injection vulnerability in mailback.pl in Erik C. Thauvin mailback allows remote attackers...","description":"CRLF injection vulnerability in mailback.pl in Erik C. Thauvin mailback allows remote attackers to use mailback as a \"spam proxy\" by modifying mail headers, including recipient e-mail addresses, via newline characters in the Subject field.","status":"published","published":"2022-05-01T06:41:35Z","modified":"2023-01-31T05:00:38Z","updated_at":"2026-11-02T14:47:53.77912Z"}],"nvd":[{"id":"CVE-2006-0631","description":"CRLF injection vulnerability in mailback.pl in Erik C. Thauvin mailback allows remote attackers to use mailback as a \"spam proxy\" by modifying mail headers, including recipient e-mail addresses, via newline characters in the Subject field.","status":"published","published":"2006-02-10T11:02:00Z","modified":"2026-06-16T22:20:58.437Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:00.920802Z"}]}}