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sasl_server_userdb_checkpass.","status":"published","published":"2026-05-20T05:43:46Z","modified":"2026-09-18T12:04:50Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:08.898956Z"}],"ghsa":[{"id":"GHSA-qjpx-j6j4-8xpr","title":"In memcached before 1.6.42, username data for SASL password database authentication has a timing...","description":"In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.","status":"published","published":"2026-05-20T09:30:34Z","modified":"2026-06-30T03:36:45Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-208"],"updated_at":"2026-11-02T15:09:05.34707Z"}],"nvd":[{"id":"CVE-2026-47783","description":"In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.","status":"published","published":"2026-05-20T07:16:15.533Z","modified":"2026-09-18T13:18:29.257Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-208"],"updated_at":"2026-11-02T14:12:19.752984Z"}],"osv":[{"id":"CVE-2026-47783","description":"In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.","status":"published","published":"2026-05-20T05:43:46.976Z","modified":"2026-10-28T10:55:27.20154355Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-208"],"updated_at":"2026-11-02T15:45:06.701612Z"},{"id":"DEBIAN-CVE-2026-47783","description":"In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.","status":"published","published":"2026-05-20T07:16:15.533Z","modified":"2026-10-01T03:03:16.270857562Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:56.444225Z"},{"id":"OESA-2026-2539","title":"memcached security update","description":"memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load.\r\n\r\nSecurity Fix(es):\n\nIn memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.(CVE-2026-47783)\n\nIn memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.(CVE-2026-47784)","status":"published","published":"2026-05-29T11:11:29Z","modified":"2026-08-18T01:20:02.912171192Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"RHSA-2026:27842","title":"Red Hat Security Advisory: memcached security update","status":"published","published":"2026-06-23T10:08:11Z","modified":"2026-09-22T10:10:24Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:19.449341Z"},{"id":"RHSA-2026:27862","title":"Red Hat Security Advisory: memcached security update","status":"published","published":"2026-06-23T10:08:12Z","modified":"2026-09-22T10:10:25Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:19.449341Z"},{"id":"RHSA-2026:63224","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-09-22T10:17:22Z","modified":"2026-09-22T10:31:30.68243694Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.91255Z"},{"id":"RLSA-2026:27842","title":"Important: memcached security update","description":"memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. \n\nSecurity Fix(es):\n\n* memcached: memcached: Username enumeration via timing side channel (CVE-2026-47783)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-06-24T12:05:09.232192Z","modified":"2026-06-24T12:30:04.080587147Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:25.804165Z"},{"id":"RLSA-2026:27862","title":"Important: memcached security update","description":"memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. \n\nSecurity Fix(es):\n\n* memcached: memcached: Username enumeration via timing side channel (CVE-2026-47783)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-06-24T12:03:26.635873Z","modified":"2026-06-24T12:30:05.37381434Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:25.804165Z"},{"id":"UBUNTU-CVE-2026-47783","description":"In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.","status":"published","published":"2026-05-20T07:16:00Z","modified":"2026-06-30T18:18:17.306662071Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:33.391918Z"},{"id":"ALSA-2026:27842","title":"Important: memcached security update","description":"memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load.   \n\nSecurity Fix(es):  \n\n  * memcached: memcached: Username enumeration via timing side channel (CVE-2026-47783)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-06-22T00:00:00Z","modified":"2026-10-29T11:30:20.298315866Z","updated_at":"2026-11-02T15:27:54.283654Z"},{"id":"ALSA-2026:27862","title":"Important: memcached security update","description":"memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load.   \n\nSecurity Fix(es):  \n\n  * memcached: memcached: Username enumeration via timing side channel (CVE-2026-47783)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-06-22T00:00:00Z","modified":"2026-10-29T11:32:34.860051429Z","updated_at":"2026-11-02T15:27:54.283654Z"},{"id":"AZL-87008","title":"CVE-2026-47783 affecting package memcached for versions less than 1.6.27-5","description":"In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.","status":"published","published":"2026-05-20T07:16:15Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:25.190302Z"},{"id":"BIT-memcached-2026-47783","description":"In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.","status":"published","published":"2026-05-22T08:47:47.555Z","modified":"2026-09-08T08:48:13.284814114Z","updated_at":"2026-11-02T15:28:33.072289Z"},{"id":"CLSA-2026-1783629498","title":"memcached: Fix of CVE-2026-47783","description":"- CVE-2026-47783: timing side-channel in SASL userdb auth; use constant-time\n  safe_memcmp() for username/password and drop the early break so the whole\n  password file is always scanned.","status":"published","published":"2026-07-09T20:38:35Z","modified":"2026-10-26T09:31:14.436830822Z","updated_at":"2026-11-02T15:43:46.151924Z"},{"id":"CLSA-2026-1783635895","title":"memcached: Fix of CVE-2026-47783","description":"- CVE-2026-47783: timing side-channel in SASL userdb auth; use constant-time\n  safe_memcmp() for username/password and drop the early break so the whole\n  password file is always scanned.","status":"published","published":"2026-07-09T22:25:10Z","modified":"2026-10-26T09:30:24.057020836Z","updated_at":"2026-11-02T15:43:46.151924Z"},{"id":"MGASA-2026-0203","title":"Updated memcached packages fix security vulnerabilities","description":"CVE-2026-47784 In memcached before 1.6.42, password data for SASL\npassword database authentication has a timing side channel because\nmemcmp is used by sasl_server_userdb_checkpass.\nCVE-2026-47783 In memcached before 1.6.42, username data for SASL\npassword database authentication has a timing side channel because a\nloop exits as soon as a valid username is found by\nsasl_server_userdb_checkpass.\n","status":"published","published":"2026-06-12T23:28:19Z","modified":"2026-06-12T23:30:04.463576791Z","updated_at":"2026-11-02T15:49:43.178336Z"},{"id":"openSUSE-SU-2026:10882-1","title":"memcached-1.6.42-1.1 on GA media","description":"These are all security issues fixed in the memcached-1.6.42-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-05-28T00:00:00Z","modified":"2026-05-29T08:15:06.48449849Z","updated_at":"2026-11-02T16:58:38.95195Z"},{"id":"openSUSE-SU-2026:20884-1","title":"Security update for memcached","description":"This update for memcached fixes the following issues\n\n- CVE-2026-47783: timing side-channel in SASL password database authentication (username) (bsc#1265873).\n- CVE-2026-47784: timing side-channel in SASL password database authentication (password) (bsc#1265881).\n","status":"published","published":"2026-06-02T13:56:05Z","modified":"2026-06-04T09:00:10.423530019Z","updated_at":"2026-11-02T16:58:41.885092Z"},{"id":"SUSE-SU-2026:22022-1","title":"Security update for memcached","description":"This update for memcached fixes the following issues\n\n- CVE-2026-47783: timing side-channel in SASL password database authentication (username) (bsc#1265873).\n- CVE-2026-47784: timing side-channel in SASL password database authentication (password) (bsc#1265881).\n","status":"published","published":"2026-06-02T13:57:11Z","modified":"2026-06-09T18:24:20.12836783Z","updated_at":"2026-11-02T15:54:02.654057Z"},{"id":"SUSE-SU-2026:2292-1","title":"Security update for memcached","description":"This update for memcached fixes the following issues\n\n- CVE-2026-47783: timing side-channel in SASL password database authentication (username) (bsc#1265873).\n- CVE-2026-47784: timing side-channel in SASL password database authentication (password) (bsc#1265881).\n","status":"published","published":"2026-06-08T08:51:30Z","modified":"2026-06-09T09:00:04.551399838Z","updated_at":"2026-11-02T15:54:03.080707Z"},{"id":"SUSE-SU-2026:2293-1","title":"Security update for memcached","description":"This update for memcached fixes the following issues\n\n- CVE-2026-47783: timing side-channel in SASL password database authentication (username) (bsc#1265873).\n- CVE-2026-47784: timing side-channel in SASL password database authentication (password) (bsc#1265881).\n","status":"published","published":"2026-06-08T08:52:55Z","modified":"2026-06-09T09:00:04.575253902Z","updated_at":"2026-11-02T15:54:03.503431Z"},{"id":"USN-8320-1","title":"memcached vulnerabilities","description":"It was discovered that Memcached's SASL password database authentication\nhad a timing side channel when handling username and password data. A\nremote attacker could possibly use this issue to obtain sensitive\ninformation.","status":"published","published":"2026-05-27T12:47:44Z","modified":"2026-06-30T18:16:22.616470882Z","updated_at":"2026-11-02T16:58:25.103481Z"}]}}