{"id":"CVE-2006-0056","aliases":["DEBIAN-CVE-2006-0056","EUVD-2006-0064","GHSA-w6xf-p38w-6xgp"],"status":"published","title":"Double free vulnerability in the authentication and authentication token alteration code in PAM...","description":"Double free vulnerability in the authentication and authentication token alteration code in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted passwords, which lead to a double free of a pointer that was created by the pam_get_item function.  NOTE: this issue only occurs in certain configurations in which there are multiple PAM modules, PAM-MySQL is not evaluated first, and there are no requisite modules before PAM-MySQL.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06324,"percentile":0.93666,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2006-02-13T11:00:00Z","modified":"2026-10-22T23:47:28Z","fixes":[{"ecosystem":"Debian:12","package":"pam-mysql","fixed_in":["0.6.2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pam-mysql","fixed_in":["0.6.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pam-mysql","fixed_in":["0.6.2-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pam-mysql","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pam-mysql","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pam-mysql","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.2-1"}]}]}],"products":[{"vendor":"pam-mysql","product":"pam-mysql"}],"references":[{"url":"http://www.securityfocus.com/bid/16564","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","fix"]},{"url":"http://www.kb.cert.org/vuls/id/693909","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Patch","Third Party Advisory","US Government Resource","advisory","fix","web"]},{"url":"http://www.osvdb.org/22994","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://jvn.jp/cert/JVNVU%23693909/index.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://securitytracker.com/id?1015603","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Patch","fix"]},{"url":"http://www.vupen.com/english/advisories/2006/0490","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://www.osvdb.org/22995","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://secunia.com/advisories/18598","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://sourceforge.net/forum/forum.php?forum_id=499394","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.gentoo.org/security/en/glsa/glsa-200606-18.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","web"]},{"url":"http://secunia.com/advisories/20690","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-0056"},{"url":"https://github.com/advisories/GHSA-w6xf-p38w-6xgp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2006-0056","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2006-0056","description":"Double free vulnerability in the authentication and authentication token alteration code in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted passwords, which lead to a double free of a pointer that was created by the pam_get_item function.  NOTE: this issue only occurs in certain configurations in which there are multiple PAM modules, PAM-MySQL is not evaluated first, and there are no requisite modules before PAM-MySQL.","status":"published","published":"2006-02-13T11:00:00Z","modified":"2024-08-07T16:18:20.722Z","updated_at":"2026-11-02T14:33:52.569914Z"}],"euvd":[{"id":"EUVD-2006-0064","description":"Double free vulnerability in the authentication and authentication token alteration code in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted passwords, which lead to a double free of a pointer that was created by the pam_get_item function.  NOTE: this issue only occurs in certain configurations in which there are multiple PAM modules, PAM-MySQL is not evaluated first, and there are no requisite modules before PAM-MySQL.","status":"published","published":"2006-02-13T11:00:00Z","modified":"2024-08-07T16:18:20Z","updated_at":"2026-11-03T01:16:11.286196Z"}],"ghsa":[{"id":"GHSA-w6xf-p38w-6xgp","title":"Double free vulnerability in the authentication and authentication token alteration code in PAM...","description":"Double free vulnerability in the authentication and authentication token alteration code in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted passwords, which lead to a double free of a pointer that was created by the pam_get_item function.  NOTE: this issue only occurs in certain configurations in which there are multiple PAM modules, PAM-MySQL is not evaluated first, and there are no requisite modules before PAM-MySQL.","status":"published","published":"2022-05-01T06:37:12Z","modified":"2023-01-31T05:00:26Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:47:51.48849Z"}],"nvd":[{"id":"CVE-2006-0056","description":"Double free vulnerability in the authentication and authentication token alteration code in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted passwords, which lead to a double free of a pointer that was created by the pam_get_item function.  NOTE: this issue only occurs in certain configurations in which there are multiple PAM modules, PAM-MySQL is not evaluated first, and there are no requisite modules before PAM-MySQL.","status":"published","published":"2006-02-13T11:06:00Z","modified":"2026-06-16T22:19:48.56Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:00.920802Z"}],"osv":[{"id":"CVE-2006-0056","description":"Double free vulnerability in the authentication and authentication token alteration code in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted passwords, which lead to a double free of a pointer that was created by the pam_get_item function.  NOTE: this issue only occurs in certain configurations in which there are multiple PAM modules, PAM-MySQL is not evaluated first, and there are no requisite modules before PAM-MySQL.","status":"published","published":"2006-02-13T11:06:00Z","modified":"2026-04-10T03:37:21.637435Z","updated_at":"2026-11-02T15:43:56.581247Z"},{"id":"DEBIAN-CVE-2006-0056","description":"Double free vulnerability in the authentication and authentication token alteration code in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted passwords, which lead to a double free of a pointer that was created by the pam_get_item function.  NOTE: this issue only occurs in certain configurations in which there are multiple PAM modules, PAM-MySQL is not evaluated first, and there are no requisite modules before PAM-MySQL.","status":"published","published":"2006-02-13T11:06:00Z","modified":"2026-10-22T23:47:28.038865236Z","updated_at":"2026-11-02T15:45:22.831407Z"}]}}