{"schemaVersion":3,"id":"USN-8169-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"redis, lua5.1, lua-cjson, lua-bitop vulnerabilities\n\nIt was discovered that Redis incorrectly handled certain specially crafted\nLua scripts. A remote attacker could possibly use this issue to cause a\ndenial of service or execute arbitrary code. This issue was only addressed in\nlua5.1 on Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2025-49844)\n\nIt was discovered that Redis incorrectly handled certain specially crafted\nLua scripts. A remote attacker could possibly use this issue to cause a\ndenial of service or execute arbitrary code. This issue was only addressed in\nlua-bitop on Ubuntu 20.04 LTS and Ubuntu 22.04 LTS and in redis on Ubuntu\n16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 24.04 LTS. (CVE-2024-31449)\n\nSeiya Nakata and Yudai Fujiwara discovered that Redis incorrectly handled\ncertain specially crafted Lua scripts. An attacker could possibly use this\nissue to cause heap corruption and execute arbitrary code. This issue was only\naddressed in lua-cjson on Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-24834)","dates":{"published":"2026-04-13T13:18:43.000Z","modified":"2026-06-25T13:32:32.084Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"lua-bitop","name":"lua-bitop","label":"lua-bitop","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/lua-bitop","purlType":"deb","versions":[{"text":"< 1.0.2-5ubuntu0.20.04.1~esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 1.0.2-5ubuntu0.22.04.1~esm2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.2-5ubuntu0.20.04.1~esm2 | < 1.0.2-5ubuntu0.22.04.1~esm2","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"lua-cjson","name":"lua-cjson","label":"lua-cjson","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/lua-cjson","purlType":"deb","versions":[{"text":"< 2.1.0+dfsg-2.1ubuntu0.20.04.1~esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 2.1.0+dfsg-2.1ubuntu0.22.04.1~esm2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.1.0+dfsg-2.1ubuntu0.20.04.1~esm2 | < 2.1.0+dfsg-2.1ubuntu0.22.04.1~esm2","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"lua5.1","name":"lua5.1","label":"lua5.1","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/lua5.1","purlType":"deb","versions":[{"text":"< 5.1.5-8.1ubuntu0.20.04.1~esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 5.1.5-8.1ubuntu0.22.04.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.1.5-8.1ubuntu0.20.04.1~esm1 | < 5.1.5-8.1ubuntu0.22.04.1~esm1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"redis","name":"redis","label":"redis","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/redis","purlType":"deb","versions":[{"text":"< 2:3.0.6-1ubuntu0.4+esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 5:4.0.9-1ubuntu0.2+esm7","noFixRecorded":false,"fixedIn":null},{"text":"< 5:7.0.15-1ubuntu0.24.04.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:3.0.6-1ubuntu0.4+esm5 | < 5:4.0.9-1ubuntu0.2+esm7 | < 5:7.0.15-1ubuntu0.24.04.4","eol":null,"hubHref":null}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8169-1","label":"ubuntu.com/security/notices/USN-8169-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-24834","label":"ubuntu.com/security/CVE-2022-24834","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-31449","label":"ubuntu.com/security/CVE-2024-31449","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-49844","label":"ubuntu.com/security/CVE-2025-49844","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2022-24834","CVE-2024-31449","CVE-2025-49844"]},"timeline":[{"kind":"published","date":"2026-04-13T13:18:43.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:32:32.084Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T23:53:44.607Z","stale":false,"partial":false}}