{"id":"USN-5340-1","summary":"ckeditor vulnerabilities","details":"Kyaw 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)\n","modified":"2026-04-24T09:32:37.022083271Z","published":"2022-03-22T16:43:31Z","related":["UBUNTU-CVE-2018-9861","UBUNTU-CVE-2020-9281","UBUNTU-CVE-2021-32809","UBUNTU-CVE-2021-33829","UBUNTU-CVE-2021-37695"],"upstream":["CVE-2018-9861","CVE-2020-9281","CVE-2021-32808","CVE-2021-32809","CVE-2021-33829","UBUNTU-CVE-2018-9861","UBUNTU-CVE-2020-9281","UBUNTU-CVE-2021-32808","UBUNTU-CVE-2021-32809","UBUNTU-CVE-2021-33829"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5340-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-9861"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-9281"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-32808"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-32809"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33829"}],"affected":[{"package":{"name":"ckeditor","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ckeditor@4.5.7+dfsg-2ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.7+dfsg-2ubuntu0.18.04.1"}]}],"versions":["4.5.7+dfsg-2"],"ecosystem_specific":{"binaries":[{"binary_name":"ckeditor","binary_version":"4.5.7+dfsg-2ubuntu0.18.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5340-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-9861"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-9281"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-32809"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-33829"}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"ckeditor","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ckeditor@4.12.1+dfsg-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.1+dfsg-1ubuntu0.1"}]}],"versions":["4.11.1+dfsg-1","4.12.1+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ckeditor","binary_version":"4.12.1+dfsg-1ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5340-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-9281"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-32809"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-33829"}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.5"}