{"id":"GHSA-c3j6-33r4-89q3","summary":"Moodle Client side denial of service via personal message","details":"It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that messaging did not impose a character limit when sending messages, which could result in client-side (browser) denial of service for users receiving very large messages.","aliases":["BIT-moodle-2021-20185","CVE-2021-20185"],"modified":"2024-04-24T00:11:40.187981Z","published":"2022-05-24T17:40:31Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2024-04-23T23:38:01Z","nvd_published_at":"2021-01-28T20:15:00Z","cwe_ids":["CWE-400","CWE-770"],"severity":"MODERATE"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20185"},{"type":"PACKAGE","url":"https://github.com/moodle/moodle"},{"type":"WEB","url":"https://moodle.org/mod/forum/discuss.php?d=417168"}],"affected":[{"package":{"name":"moodle/moodle","ecosystem":"Packagist","purl":"pkg:composer/moodle/moodle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.5"},{"fixed":"3.5.16"}]}],"versions":["v3.5.0","v3.5.0-beta","v3.5.0-rc1","v3.5.1","v3.5.10","v3.5.11","v3.5.12","v3.5.13","v3.5.14","v3.5.15","v3.5.2","v3.5.3","v3.5.4","v3.5.5","v3.5.6","v3.5.7","v3.5.8","v3.5.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-c3j6-33r4-89q3/GHSA-c3j6-33r4-89q3.json"}},{"package":{"name":"moodle/moodle","ecosystem":"Packagist","purl":"pkg:composer/moodle/moodle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.8"},{"fixed":"3.8.7"}]}],"versions":["v3.8.0","v3.8.0-beta","v3.8.0-rc1","v3.8.1","v3.8.2","v3.8.3","v3.8.4","v3.8.5","v3.8.6"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-c3j6-33r4-89q3/GHSA-c3j6-33r4-89q3.json"}},{"package":{"name":"moodle/moodle","ecosystem":"Packagist","purl":"pkg:composer/moodle/moodle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.9"},{"fixed":"3.9.4"}]}],"versions":["v3.9.0","v3.9.0-beta","v3.9.0-rc1","v3.9.0-rc2","v3.9.0-rc3","v3.9.1","v3.9.2","v3.9.3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-c3j6-33r4-89q3/GHSA-c3j6-33r4-89q3.json"}},{"package":{"name":"moodle/moodle","ecosystem":"Packagist","purl":"pkg:composer/moodle/moodle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.10"},{"fixed":"3.10.1"}]}],"versions":["v3.10.0","v3.10.0-beta","v3.10.0-rc1","v3.10.0-rc2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-c3j6-33r4-89q3/GHSA-c3j6-33r4-89q3.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}