{"schemaVersion":3,"id":"USN-5340-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"ckeditor vulnerabilities\n\nUSN-5340-1 fixed several vulnerabilities in CKEditor.\nThis update provides the fixes for CVE-2018-9861, CVE-2020-9281,\nCVE-2021-32809, CVE-2021-33829 and CVE-2021-37695 for Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\nKyaw Min Thein discovered that CKEditor incorrectly handled\ncertain inputs. An attacker could possibly use this issue\nto execute arbitrary code. This issue only affects\nUbuntu 18.04 LTS. (CVE-2018-9861)\n\nMicha Bentkowski discovered that CKEditor incorrectly handled\ncertain inputs. An attacker could possibly use this issue to\nexecute arbitrary code. This issue only affects\nUbuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-9281)\n\nAnton Subbotin discovered that CKEditor incorrectly handled\ncertain inputs. An attacker could possibly use this issue to\nexecute arbitrary code. This issue only affects\nUbuntu 21.10. (CVE-2021-32808)\n\nAnton Subbotin discovered that CKEditor incorrectly handled\ncertain inputs. An attacker could possibly use this issue to\ninject arbitrary code. (CVE-2021-32809)\n\nOr Sahar discovered that CKEditor incorrectly handled certain\ninputs. An attacker could possibly use this issue to execute\narbitrary code. This issue only affects\nUbuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-33829)\n\nMika Kulmala discovered that CKEditor incorrectly handled\ncertain inputs. An attacker could possibly use this issue to\nexecute arbitrary code. (CVE-2021-37695)","dates":{"published":"2022-03-23T08:57:25.000Z","modified":"2026-06-25T13:31:05.424Z","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":"ckeditor","name":"ckeditor","label":"ckeditor","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/ckeditor","purlType":"deb","versions":[{"text":"< 4.5.7+dfsg-2ubuntu0.16.04.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.5.7+dfsg-2ubuntu0.16.04.1~esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5340-2","label":"ubuntu.com/security/notices/USN-5340-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-9861","label":"ubuntu.com/security/CVE-2018-9861","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-9281","label":"ubuntu.com/security/CVE-2020-9281","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-32809","label":"ubuntu.com/security/CVE-2021-32809","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-33829","label":"ubuntu.com/security/CVE-2021-33829","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-37695","label":"ubuntu.com/security/CVE-2021-37695","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2018-9861","CVE-2020-9281","CVE-2021-32809","CVE-2021-33829","CVE-2021-37695"],"downstream":[],"duplicates":[],"related":["CVE-2018-9861","CVE-2020-9281","CVE-2021-32809","CVE-2021-33829","CVE-2021-37695"]},"timeline":[{"kind":"published","date":"2022-03-23T08:57:25.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:31:05.424Z","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":"2026-10-19T11:57:21.959Z","stale":false,"partial":false}}