{"id":"CVE-2020-25630","details":"A vulnerability was found in Moodle where the decompressed size of zip files was not checked against available user quota before unzipping them, which could lead to a denial of service risk. This affects versions 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions. Fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14.","aliases":["BIT-moodle-2020-25630","GHSA-66xp-28cq-mrf2"],"modified":"2026-04-10T04:25:11.579512Z","published":"2020-12-08T01:15:11.820Z","references":[{"type":"FIX","url":"https://moodle.org/mod/forum/discuss.php?d=410842"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/moodle/moodle","events":[{"introduced":"46574904afd39578fa4146bf1fc5c401ac680aa6"},{"fixed":"598064e4d9958b22e8b8c81016440b1aea48771e"},{"introduced":"89457b26d192c06325bb6782b85d1025dafbefe9"},{"fixed":"f6e37fe19539b61afd3beb8685ffbff028e4ddf5"},{"introduced":"f968cd44e8ee5d54b1bc56823040ff770dbf18af"},{"fixed":"b21d86f807d355a3773a9b084d2ddb80c5e6b7ec"},{"introduced":"500c131eb49771e36f68d151dfa37fef5a9bc2df"},{"fixed":"ccd4ef8ddd03d98b84e3231866b8b1e024dab1db"}],"database_specific":{"versions":[{"introduced":"3.5.0"},{"fixed":"3.5.14"},{"introduced":"3.7.0"},{"fixed":"3.7.8"},{"introduced":"3.8.0"},{"fixed":"3.8.5"},{"introduced":"3.9.0"},{"fixed":"3.9.2"}]}}],"versions":["v3.5.0","v3.5.1","v3.5.10","v3.5.11","v3.5.12","v3.5.13","v3.5.2","v3.5.3","v3.5.4","v3.5.5","v3.5.6","v3.5.7","v3.5.8","v3.5.9","v3.7.0","v3.7.1","v3.7.2","v3.7.3","v3.7.4","v3.7.5","v3.7.6","v3.7.7","v3.8.0","v3.8.1","v3.8.2","v3.8.3","v3.8.4","v3.9.0","v3.9.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25630.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}