{"id":"USN-8320-1","summary":"memcached vulnerabilities","details":"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.","modified":"2026-05-27T15:47:45.487003738Z","published":"2026-05-27T12:47:44Z","related":["UBUNTU-CVE-2026-47783","UBUNTU-CVE-2026-47784"],"upstream":["CVE-2026-47783","CVE-2026-47784","UBUNTU-CVE-2026-47783","UBUNTU-CVE-2026-47784"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8320-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-47783"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-47784"}],"affected":[{"package":{"name":"memcached","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/memcached?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.14-1ubuntu0.2"}]}],"versions":["1.6.9+dfsg-1build1","1.6.12+dfsg-2ubuntu1","1.6.12+dfsg-3","1.6.12+dfsg-4","1.6.13-1","1.6.14-1","1.6.14-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.14-1ubuntu0.2","binary_name":"memcached"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-47783"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-47784"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8320-1.json"}},{"package":{"name":"memcached","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/memcached?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.24-1ubuntu0.1"}]}],"versions":["1.6.21-1","1.6.22-1","1.6.23-1","1.6.24-1build1","1.6.24-1build3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.24-1ubuntu0.1","binary_name":"memcached"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-47783"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-47784"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8320-1.json"}},{"package":{"name":"memcached","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/memcached?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.38-1ubuntu0.1"}]}],"versions":["1.6.37-1","1.6.38-1","1.6.38-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.6.38-1ubuntu0.1","binary_name":"memcached"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:25.10","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-47783"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-47784"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8320-1.json"}},{"package":{"name":"memcached","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/memcached?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.40-1ubuntu0.1"}]}],"versions":["1.6.38-1build1","1.6.39-2","1.6.40-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.40-1ubuntu0.1","binary_name":"memcached"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-47783"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-47784"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8320-1.json"}}],"schema_version":"1.7.5"}