{"id":"USN-8771-1","summary":"valkey vulnerabilities","details":"Madelyn Olson discovered that Valkey incorrectly handled TLS connections\nunder certain conditions. A remote attacker could possibly use this issue to\ncause Valkey to crash, resulting in a denial of service, or execute arbitrary\ncode. (CVE-2026-56684)\n\nIt was discovered that Valkey incorrectly handled certain stream RDB payloads\nwhen executing the RESTORE command. An authenticated remote attacker could\npossibly use this issue to cause Valkey to crash, resulting in a denial\nof service, or execute arbitrary code. (CVE-2026-63639)\n\nIt was discovered that Valkey incorrectly handled cluster slot migration\noperations. A remote attacker could possibly use this issue to cause Valkey\nto crash, resulting in a denial of service. This issue was only addressed in\nUbuntu 26.04 LTS. (CVE-2026-85522)","modified":"2026-09-17T13:42:33.595261216Z","published":"2026-09-16T04:27:17Z","related":["UBUNTU-CVE-2026-56684","UBUNTU-CVE-2026-63639","UBUNTU-CVE-2026-85522"],"upstream":["CVE-2026-56684","CVE-2026-63639","CVE-2026-85522","UBUNTU-CVE-2026-56684","UBUNTU-CVE-2026-63639","UBUNTU-CVE-2026-85522"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8771-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-56684"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63639"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-85522"}],"affected":[{"package":{"name":"valkey","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/valkey?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.2.13+dfsg1-0ubuntu0.1+esm1"}]}],"versions":["7.2.5+dfsg1-2ubuntu4~24.04.1","7.2.7+dfsg1-0ubuntu0.24.04.1","7.2.8+dfsg1-0ubuntu0.24.04.1","7.2.8+dfsg1-0ubuntu0.24.04.2","7.2.8+dfsg1-0ubuntu0.24.04.3","7.2.10+dfsg1-0ubuntu0.1","7.2.11+dfsg1-0ubuntu0.1","7.2.11+dfsg1-0ubuntu0.2","7.2.12+dfsg1-0ubuntu0.1","7.2.13+dfsg1-0ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"7.2.13+dfsg1-0ubuntu0.1+esm1","binary_name":"valkey-redis-compat"},{"binary_name":"valkey-sentinel","binary_version":"7.2.13+dfsg1-0ubuntu0.1+esm1"},{"binary_name":"valkey-server","binary_version":"7.2.13+dfsg1-0ubuntu0.1+esm1"},{"binary_name":"valkey-tools","binary_version":"7.2.13+dfsg1-0ubuntu0.1+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8771-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-56684"},{"id":"CVE-2026-63639","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:24.04:LTS"}}},{"package":{"name":"valkey","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/valkey?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.4-0ubuntu0.2"}]}],"versions":["8.1.3+dfsg1-0ubuntu2","8.1.4+dfsg1-0ubuntu1","9.0.2-0ubuntu1","9.0.3-0ubuntu1","9.0.3-0ubuntu2","9.0.4-0ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"9.0.4-0ubuntu0.2","binary_name":"valkey-sentinel"},{"binary_version":"9.0.4-0ubuntu0.2","binary_name":"valkey-server"},{"binary_name":"valkey-tools","binary_version":"9.0.4-0ubuntu0.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-56684"},{"id":"CVE-2026-63639","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-85522"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8771-1.json"}}],"schema_version":"1.9.0"}