{"id":"CVE-2026-47784","aliases":["AZL-87005","BIT-memcached-2026-47784","DEBIAN-CVE-2026-47784","EUVD-2026-31069","GHSA-r4h3-4q3v-2776","MGASA-2026-0203","OESA-2026-2539","RHSA-2026:23261","SUSE-SU-2026:22022-1","SUSE-SU-2026:2292-1","SUSE-SU-2026:2293-1","UBUNTU-CVE-2026-47784","openSUSE-SU-2026:10882-1","openSUSE-SU-2026:20884-1"],"status":"published","title":"In memcached before 1.6.42, password data for SASL password database authentication has a timing...","description":"In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by 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Notes","article","web","report"]},{"url":"https://github.com/memcached/memcached/wiki/ReleaseNotes1642","tags":["Release Notes","article","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47784","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-r4h3-4q3v-2776"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47784.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-47784","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0203.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35552","tags":["report"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2539","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47783","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:23261","tags":["advisory"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-47784","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_23261.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480088","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-47784","tags":["advisory","report"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202622022-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1265873","tags":["report"]},{"url":"https://bugzilla.suse.com/1265881","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47783","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47784","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20262292-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20262293-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-47784","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8320-1","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-47784","description":"In 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.","status":"published","published":"2026-05-20T05:45:37.864Z","modified":"2026-05-20T12:21:02.894Z","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":"cna"}],"cwes":["CWE-208"],"updated_at":"2026-11-02T13:36:40.478484Z"}],"euvd":[{"id":"EUVD-2026-31069","description":"In 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.","status":"published","published":"2026-05-20T05:45:37Z","modified":"2026-05-20T12:21:02Z","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":"2026-11-02T18:21:14.831553Z"}],"ghsa":[{"id":"GHSA-r4h3-4q3v-2776","title":"In memcached before 1.6.42, password data for SASL password database authentication has a timing...","description":"In 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.","status":"published","published":"2026-05-20T09:30:34Z","modified":"2026-05-20T09:30:37Z","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":"2026-11-02T15:08:13.172248Z"}],"nvd":[{"id":"CVE-2026-47784","description":"In 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.","status":"published","published":"2026-05-20T07:16:15.733Z","modified":"2026-07-24T10:10:00.197Z","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"}],"cwes":["CWE-208"],"updated_at":"2026-11-02T14:12:19.752984Z"}],"osv":[{"id":"CVE-2026-47784","description":"In 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.","status":"published","published":"2026-05-20T05:45:37.864Z","modified":"2026-10-28T11:11:20.189382884Z","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-2026-47784","description":"In 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.","status":"published","published":"2026-05-20T07:16:15.733Z","modified":"2026-10-01T03:03:15.891909666Z","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-2026:23261","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-06-05T10:06:30Z","modified":"2026-10-06T10:30:46.722335883Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:18.983284Z"},{"id":"UBUNTU-CVE-2026-47784","description":"In 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.","status":"published","published":"2026-05-20T07:16:00Z","modified":"2026-05-27T14:00:05.968389114Z","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":"2026-11-02T16:56:33.391918Z"},{"id":"AZL-87005","title":"CVE-2026-47784 affecting package memcached for versions less than 1.6.27-5","description":"In 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.","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-2026-47784","description":"In 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.","status":"published","published":"2026-05-22T08:47:49.029Z","modified":"2026-09-08T08:48:13.249032053Z","updated_at":"2026-11-02T15:28:33.072289Z"},{"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"}]}}