{"id":"USN-7824-1","summary":"redis vulnerability","details":"Benny Isaacs, Nir Brakha, and Sagi Tzadik discovered that Redis incorrectly\nhandled memory when running Lua scripts. An authenticated attacker could\nuse this vulnerability to trigger a use-after-free condition, and\npotentially  achieve remote code execution on the Redis server.","modified":"2026-02-10T04:50:11Z","published":"2025-10-15T15:33:18Z","related":["UBUNTU-CVE-2025-49844"],"upstream":["CVE-2025-49844","UBUNTU-CVE-2025-49844"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7824-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-49844"}],"affected":[{"package":{"name":"redis","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/redis@2:2.8.4-2ubuntu0.2+esm5?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.8.4-2ubuntu0.2+esm5"}]}],"versions":["2:2.6.13-1","2:2.6.16-3","2:2.8.0-1","2:2.8.2-1","2:2.8.4-2","2:2.8.4-2ubuntu0.2","2:2.8.4-2ubuntu0.2+esm1","2:2.8.4-2ubuntu0.2+esm2","2:2.8.4-2ubuntu0.2+esm3","2:2.8.4-2ubuntu0.2+esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"2:2.8.4-2ubuntu0.2+esm5","binary_name":"redis-server"},{"binary_version":"2:2.8.4-2ubuntu0.2+esm5","binary_name":"redis-tools"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2025-49844","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7824-1.json"}},{"package":{"name":"redis","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/redis@2:3.0.6-1ubuntu0.4+esm4?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.0.6-1ubuntu0.4+esm4"}]}],"versions":["2:3.0.3-3","2:3.0.5-1","2:3.0.5-2","2:3.0.5-3","2:3.0.5-4","2:3.0.6-1","2:3.0.6-1ubuntu0.2","2:3.0.6-1ubuntu0.3","2:3.0.6-1ubuntu0.4","2:3.0.6-1ubuntu0.4+esm1","2:3.0.6-1ubuntu0.4+esm2","2:3.0.6-1ubuntu0.4+esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"2:3.0.6-1ubuntu0.4+esm4","binary_name":"redis-sentinel"},{"binary_version":"2:3.0.6-1ubuntu0.4+esm4","binary_name":"redis-server"},{"binary_version":"2:3.0.6-1ubuntu0.4+esm4","binary_name":"redis-tools"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2025-49844","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7824-1.json"}},{"package":{"name":"redis","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/redis@5:4.0.9-1ubuntu0.2+esm6?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5:4.0.9-1ubuntu0.2+esm6"}]}],"versions":["4:4.0.1-7","4:4.0.2-6","4:4.0.2-9","5:4.0.5-1","5:4.0.6-1","5:4.0.6-2","5:4.0.7-1","5:4.0.8-1","5:4.0.8-2","5:4.0.9-1","5:4.0.9-1ubuntu0.1","5:4.0.9-1ubuntu0.2","5:4.0.9-1ubuntu0.2+esm2","5:4.0.9-1ubuntu0.2+esm3","5:4.0.9-1ubuntu0.2+esm4","5:4.0.9-1ubuntu0.2+esm5"],"ecosystem_specific":{"binaries":[{"binary_version":"5:4.0.9-1ubuntu0.2+esm6","binary_name":"redis"},{"binary_version":"5:4.0.9-1ubuntu0.2+esm6","binary_name":"redis-sentinel"},{"binary_version":"5:4.0.9-1ubuntu0.2+esm6","binary_name":"redis-server"},{"binary_version":"5:4.0.9-1ubuntu0.2+esm6","binary_name":"redis-tools"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2025-49844","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7824-1.json"}},{"package":{"name":"redis","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/redis@5:5.0.7-2ubuntu0.1+esm4?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5:5.0.7-2ubuntu0.1+esm4"}]}],"versions":["5:5.0.5-2build1","5:5.0.6-1","5:5.0.7-1","5:5.0.7-2","5:5.0.7-2ubuntu0.1~esm1","5:5.0.7-2ubuntu0.1","5:5.0.7-2ubuntu0.1+esm1","5:5.0.7-2ubuntu0.1+esm2","5:5.0.7-2ubuntu0.1+esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"5:5.0.7-2ubuntu0.1+esm4","binary_name":"redis"},{"binary_version":"5:5.0.7-2ubuntu0.1+esm4","binary_name":"redis-sentinel"},{"binary_version":"5:5.0.7-2ubuntu0.1+esm4","binary_name":"redis-server"},{"binary_version":"5:5.0.7-2ubuntu0.1+esm4","binary_name":"redis-tools"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2025-49844","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7824-1.json"}},{"package":{"name":"redis","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/redis@5:7.0.15-1ubuntu0.24.04.2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5:7.0.15-1ubuntu0.24.04.2"}]}],"versions":["5:7.0.12-1","5:7.0.14-1","5:7.0.14-2","5:7.0.15-1","5:7.0.15-1build1","5:7.0.15-1build2","5:7.0.15-1ubuntu0.24.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"5:7.0.15-1ubuntu0.24.04.2","binary_name":"redis"},{"binary_version":"5:7.0.15-1ubuntu0.24.04.2","binary_name":"redis-sentinel"},{"binary_version":"5:7.0.15-1ubuntu0.24.04.2","binary_name":"redis-server"},{"binary_version":"5:7.0.15-1ubuntu0.24.04.2","binary_name":"redis-tools"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2025-49844","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7824-1.json"}},{"package":{"name":"redis","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/redis@5:8.0.2-3ubuntu0.25.10.1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5:8.0.2-3ubuntu0.25.10.1"}]}],"versions":["5:7.0.15-3","5:7.0.15-3.1","5:8.0.2-3","5:8.0.2-3build1"],"ecosystem_specific":{"binaries":[{"binary_version":"5:8.0.2-3ubuntu0.25.10.1","binary_name":"redis"},{"binary_version":"5:8.0.2-3ubuntu0.25.10.1","binary_name":"redis-sentinel"},{"binary_version":"5:8.0.2-3ubuntu0.25.10.1","binary_name":"redis-server"},{"binary_version":"5:8.0.2-3ubuntu0.25.10.1","binary_name":"redis-tools"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:25.10","cves":[{"id":"CVE-2025-49844","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7824-1.json"}}],"schema_version":"1.7.3"}