{"id":"CVE-2020-9274","aliases":["ALPINE-CVE-2020-9274","DEBIAN-CVE-2020-9274","DLA-2123-1","EUVD-2020-30103","GHSA-26hm-gghq-x5rr","UBUNTU-CVE-2020-9274","USN-4515-1","openSUSE-SU-2024:11773-1"],"status":"published","title":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been...","description":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06006,"percentile":0.93378,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-824"],"published":"2020-02-26T15:29:32Z","modified":"2026-11-03T06:32:26Z","exploits":[{"source":"nuclei","id":"CVE-2020-9274","title":"Pure-FTPd ≤ 1.0.49 - DoS via Uninitialized Pointer","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2020/CVE-2020-9274.yaml"}],"fixes":[{"ecosystem":"Alpine:v3.16","package":"pure-ftpd","fixed_in":["1.0.49-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"pure-ftpd","fixed_in":["1.0.49-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"pure-ftpd","fixed_in":["1.0.49-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"pure-ftpd","fixed_in":["1.0.49-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"pure-ftpd","fixed_in":["1.0.49-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"pure-ftpd","fixed_in":["1.0.49-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"pure-ftpd","fixed_in":["1.0.49-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"pure-ftpd","fixed_in":["1.0.49-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"pure-ftpd","fixed_in":["1.0.49-r1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"pure-ftpd","fixed_in":["1.0.49-4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pure-ftpd","fixed_in":["1.0.49-4"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"pure-ftpd","fixed_in":["1.0.36-3.2+deb8u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"pure-ftpd","fixed_in":["1.0.36-3.2+deb8u1build0.16.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.16","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-r1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.49-4"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.36-3.2+deb8u1"}]}],"versions":["1.0.36-3.2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.36-3.2+deb8u1build0.16.04.1"}]}],"versions":["1.0.36-3.2","1.0.36-3.2build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.46-1","1.0.46-1build1","1.0.46-1ubuntu18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.36-3.2+deb8u1build0.16.04.1"}]}],"versions":["1.0.36-3.2","1.0.36-3.2build1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.50-1.1"}]}],"bundled":4}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"debian_linux"},{"vendor":"fedoraproject","product":"extra_packages_for_enterprise_linux"},{"vendor":"fedoraproject","product":"fedora"},{"vendor":"pureftpd","product":"pure-ftpd"}],"references":[{"url":"https://github.com/jedisct1/pure-ftpd/commit/8d0d42542e2cb7a56d645fbe4d0ef436e38bcefa","tags":["x_refsource_MISC","x_transferred","Patch","Third 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Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22P44PECZWNDP7CMBL7NRBMNFS73C5Z2/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5DBVHJCXWRSJPNJQCJQCKZF6ZDPZCKA/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B5NSUDWXZVWUCL6R2PTX3KBB42Z62CA5/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://usn.ubuntu.com/4515-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9274"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22P44PECZWNDP7CMBL7NRBMNFS73C5Z2/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5NSUDWXZVWUCL6R2PTX3KBB42Z62CA5/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U5DBVHJCXWRSJPNJQCJQCKZF6ZDPZCKA/"},{"url":"https://github.com/advisories/GHSA-26hm-gghq-x5rr"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-9274","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-9274","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-9274","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4515-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-9274","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20176","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-9274","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-9365","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-40524","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-9274","description":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.","status":"published","published":"2020-02-26T15:29:32Z","modified":"2024-08-04T10:26:16.271Z","updated_at":"2026-11-02T14:35:49.209579Z"}],"euvd":[{"id":"EUVD-2020-30103","description":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.","status":"published","published":"2020-02-26T15:29:32Z","modified":"2024-08-04T10:26:16Z","updated_at":"2026-11-03T03:07:54.599277Z"}],"ghsa":[{"id":"GHSA-26hm-gghq-x5rr","title":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been...","description":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.","status":"published","published":"2022-05-24T17:09:43Z","modified":"2023-01-28T05:08:33Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-824"],"updated_at":"2026-11-02T14:44:37.39101Z"}],"nvd":[{"id":"CVE-2020-9274","description":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.","status":"published","published":"2020-02-26T16:15:19.847Z","modified":"2026-06-17T03:27:40.98Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-824"],"updated_at":"2026-11-02T14:05:54.796125Z"}],"osv":[{"id":"ALPINE-CVE-2020-9274","description":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.","status":"published","published":"2020-02-26T16:15:19.847Z","modified":"2026-11-03T06:32:26.482613951Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T07:17:57.723967Z"},{"id":"CVE-2020-9274","description":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.","status":"published","published":"2020-02-26T16:15:19.847Z","modified":"2026-10-20T13:54:07.857726477Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:17.663289Z"},{"id":"DEBIAN-CVE-2020-9274","description":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.","status":"published","published":"2020-02-26T16:15:19.847Z","modified":"2026-10-26T12:02:09.508744429Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:34.311861Z"},{"id":"UBUNTU-CVE-2020-9274","description":"An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.","status":"published","published":"2020-02-26T16:15:00Z","modified":"2026-02-04T03:45:34.114962Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:25.728622Z"},{"id":"DLA-2123-1","title":"pure-ftpd - security update","status":"published","published":"2020-02-27T00:00:00Z","modified":"2026-03-09T01:22:05.73144Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"openSUSE-SU-2024:11773-1","title":"pure-ftpd-1.0.50-1.1 on GA media","description":"These are all security issues fixed in the pure-ftpd-1.0.50-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:54:55.543403Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"USN-4515-1","title":"pure-ftpd vulnerability","description":"Antonio Norales discovered that Pure-FTPd incorrectly handled directory\naliases. An attacker could possibly use this issue to access sensitive\ninformation. (CVE-2020-9274)\n","status":"published","published":"2020-09-17T16:40:24Z","modified":"2026-04-27T15:42:06.493489Z","updated_at":"2026-11-02T16:58:14.547547Z"}]}}