{"id":"CVE-2009-4034","aliases":["DSA-1964-1","EUVD-2009-4005","GHSA-6wgc-gv8j-fmpq","openSUSE-SU-2024:10030-1","openSUSE-SU-2024:10256-1","openSUSE-SU-2024:10273-1"],"status":"published","title":"PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8...","description":"PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8.3.x before 8.3.9, and 8.4.x before 8.4.2 does not properly handle a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based PostgreSQL servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended client-hostname restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","severity":{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0213,"percentile":0.82094,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2009-12-15T18:00:00Z","modified":"2026-06-16T23:12:52Z","affected":[{"source":"osv","ecosystem":"Debian:4.0","package":"postgresql-8.1","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.19-0etch1"}]}],"versions":["8.1.10-0etch1","8.1.10-1","8.1.11-0etch1","8.1.11-1","8.1.13-0etch1","8.1.15-0etch1","8.1.17-0etch1","8.1.18-0etch1","8.1.8-1","8.1.8-2","8.1.9-0etch1","8.1.9-0etch2","8.1.9-1"],"bundled":2},{"source":"osv","ecosystem":"Debian:4.0","package":"postgresql-7.4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.4.27-0etch1"}]}],"versions":["1:7.4.16-1","1:7.4.17-0etch1","1:7.4.17-1","1:7.4.19-0etch1","1:7.4.23-0etch1","1:7.4.26-0etch1"],"bundled":2},{"source":"osv","ecosystem":"Debian:5.0","package":"postgresql-8.3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.3.9-0lenny1"}]}],"versions":["8.3.5-1","8.3.5-2","8.3.6-1","8.3.6-1~bpo40+1","8.3.7-0lenny1","8.3.7-0lenny1~bpo40+1","8.3.7-1","8.3.7-2","8.3.7-3","8.3.7-4","8.3.8-0lenny1","8.3.8-0lenny1~bpo40+1","8.3.8-0lenny1~bpo40+2","8.3.8-1","8.3.8-1+sh4","8.3.9-0lenny1~bpo40+1"],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"postgresql94","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.4.10-1.1"}]}],"bundled":35},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"postgresql93","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.3.15-1.1"}]}],"bundled":40},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"postgresql95","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.5.4-1.2"}]}],"bundled":37}],"products":[{"vendor":"postgresql","product":"postgresql"}],"references":[{"url":"http://osvdb.org/61038","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=134124585221119\u0026w=2","tags":["vendor-advisory","x_refsource_HP","x_transferred"]},{"url":"http://www.postgresql.org/docs/current/static/release-8-2-15.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01035.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"http://www.postgresql.org/support/security.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.postgresql.org/docs/current/static/release-8-4-2.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.postgresql.org/docs/current/static/release-8-0-23.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/archive/1/509917/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.postgresql.org/docs/current/static/release-8-3-9.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01056.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"http://www.securitytracker.com/id?1023325","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:333","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"http://www.postgresql.org/docs/current/static/release-7-4-27.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/37334","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/3519","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.postgresql.org/docs/current/static/release-8-1-19.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://secunia.com/advisories/37663","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0012","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4034"},{"url":"https://github.com/advisories/GHSA-6wgc-gv8j-fmpq"},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2007-4772","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-6600","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-4034","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-4136","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1169","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1170","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-3433","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0866","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0867","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0868","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2143","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2655","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3488","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3489","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-0255","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1899","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1900","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1901","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0060","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0061","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0062","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0063","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0064","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0065","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0066","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0067","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3165","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3166","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3167","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-5288","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-5289","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-0766","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-0773","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5423","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5424","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-8161","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0241","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0242","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0243","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0244","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2193","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3065","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2009-4034","description":"PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8.3.x before 8.3.9, and 8.4.x before 8.4.2 does not properly handle a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based PostgreSQL servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended client-hostname restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","status":"published","published":"2009-12-15T18:00:00Z","modified":"2024-08-07T06:45:51.064Z","updated_at":"2026-11-02T14:33:24.451733Z"}],"euvd":[{"id":"EUVD-2009-4005","description":"PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8.3.x before 8.3.9, and 8.4.x before 8.4.2 does not properly handle a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based PostgreSQL servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended client-hostname restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","status":"published","published":"2009-12-15T18:00:00Z","modified":"2024-08-07T06:45:51Z","updated_at":"2026-11-03T01:39:11.734855Z"}],"ghsa":[{"id":"GHSA-6wgc-gv8j-fmpq","title":"PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8...","description":"PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8.3.x before 8.3.9, and 8.4.x before 8.4.2 does not properly handle a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based PostgreSQL servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended client-hostname restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","status":"published","published":"2022-05-02T03:50:59Z","modified":"2023-01-31T05:08:06Z","updated_at":"2026-11-02T14:49:20.355285Z"}],"nvd":[{"id":"CVE-2009-4034","description":"PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8.3.x before 8.3.9, and 8.4.x before 8.4.2 does not properly handle a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based PostgreSQL servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended client-hostname restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","status":"published","published":"2009-12-15T18:30:01.42Z","modified":"2026-06-16T23:12:52.757Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:01:37.939838Z"}],"osv":[{"id":"DSA-1964-1","title":"postgresql-7.4 postgresql-8.1 postgresql-8.3 - several vulnerabilities","status":"published","published":"2009-12-31T00:00:00Z","modified":"2026-03-09T01:20:58.30533Z","updated_at":"2026-11-02T15:46:15.108335Z"},{"id":"openSUSE-SU-2024:10030-1","title":"postgresql94-9.4.10-1.1 on GA media","description":"These are all security issues fixed in the postgresql94-9.4.10-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:28:08.668099Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"openSUSE-SU-2024:10256-1","title":"postgresql93-9.3.15-1.1 on GA media","description":"These are all security issues fixed in the postgresql93-9.3.15-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2025-05-07T18:08:24.407905Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"openSUSE-SU-2024:10273-1","title":"libecpg6-32bit-9.5.4-1.2 on GA media","description":"These are all security issues fixed in the libecpg6-32bit-9.5.4-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:33:24.576512Z","updated_at":"2026-11-02T16:58:33.135986Z"}]}}