{"id":"CVE-2015-7686","aliases":["DEBIAN-CVE-2015-7686","EUVD-2015-7588","GHSA-24jp-cwv2-qjwh","MGASA-2016-0397","UBUNTU-CVE-2015-7686"],"status":"published","title":"Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier...","description":"Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.03535,"percentile":0.89337,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-399"],"published":"2015-10-03T10:00:00Z","modified":"2026-09-09T06:47:21Z","fixes":[{"ecosystem":"Debian:12","package":"libemail-address-perl","fixed_in":["1.912-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libemail-address-perl","fixed_in":["1.912-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libemail-address-perl","fixed_in":["1.912-1"],"sources":["osv"]},{"ecosystem":"Mageia:5","package":"perl-Email-Address","fixed_in":["1.908.0-1.mga5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libemail-address-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.912-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libemail-address-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.912-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libemail-address-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.912-1"}]}]},{"source":"osv","ecosystem":"Mageia:5","package":"perl-Email-Address","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.908.0-1.mga5"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libemail-address-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.905-2","1.908-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libemail-address-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.908-1"]}],"products":[{"vendor":"email-address_project","product":"email-address"}],"references":[{"url":"https://forum.bestpractical.com/t/security-vulnerabilities-in-rt-2017-06-15/32016","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2015/10/02/13","tags":["mailing-list","x_refsource_MLIST","x_transferred","web","report"]},{"url":"http://www.openwall.com/lists/oss-security/2015/09/27/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-7686"},{"url":"https://github.com/advisories/GHSA-24jp-cwv2-qjwh"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-7686","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2016-0397.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=16862","tags":["report"]},{"url":"http://openwall.com/lists/oss-security/2015/09/27/1","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-7686","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-7686","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-7686","description":"Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.","status":"published","published":"2015-10-03T10:00:00Z","modified":"2024-08-06T07:58:58.824Z","updated_at":"2026-11-02T14:35:44.404481Z"}],"euvd":[{"id":"EUVD-2015-7588","description":"Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.","status":"published","published":"2015-10-03T10:00:00Z","modified":"2024-08-06T07:58:58Z","updated_at":"2026-11-03T02:21:52.097705Z"}],"ghsa":[{"id":"GHSA-24jp-cwv2-qjwh","title":"Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier...","description":"Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.","status":"published","published":"2022-05-17T02:36:13Z","modified":"2023-01-27T05:04:56Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:42:35.067407Z"}],"nvd":[{"id":"CVE-2015-7686","description":"Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.","status":"published","published":"2015-10-06T01:59:33.673Z","modified":"2026-06-17T00:32:58.173Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20","CWE-399"],"updated_at":"2026-11-02T14:03:10.919251Z"}],"osv":[{"id":"CVE-2015-7686","description":"Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.","status":"published","published":"2015-10-06T01:59:33Z","modified":"2026-04-16T06:26:18.343736002Z","updated_at":"2026-11-02T15:44:01.068991Z"},{"id":"DEBIAN-CVE-2015-7686","description":"Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.","status":"published","published":"2015-10-06T01:59:33.673Z","modified":"2026-09-09T06:47:21.278039728Z","updated_at":"2026-11-02T15:45:27.04239Z"},{"id":"MGASA-2016-0397","title":"Updated perl-Email-Address packages fix security vulnerability","description":"Pali Rohár discovered a possible DoS attack in any software which uses the\nEmail::Address Perl module for parsing string input to a list of email\naddresses.\n\nNote that this issue has only been partially mitigated in Email::Address\nitself.\n","status":"published","published":"2016-11-25T17:04:30Z","modified":"2026-04-16T06:23:50.915427148Z","updated_at":"2026-11-02T15:49:40.103088Z"},{"id":"UBUNTU-CVE-2015-7686","description":"Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.","status":"published","published":"2015-10-06T01:59:00Z","modified":"2025-10-24T04:45:28Z","updated_at":"2026-11-02T15:54:10.737723Z"}]}}