{"id":"CVE-2020-27824","details":"A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.","modified":"2026-04-10T04:25:42.185651Z","published":"2021-05-13T14:15:17.557Z","related":["ALSA-2021:4251","MGASA-2020-0464","SUSE-SU-2022:3801-1","SUSE-SU-2022:3802-1","SUSE-SU-2022:4082-1","openSUSE-SU-2024:13571-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQR4EWRFFZQDMFPZKFZ6I3USLMW6TKTP/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4882"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuoct2021.html"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1905723"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/uclouvain/openjpeg","events":[{"introduced":"0"},{"fixed":"37ac30ceff6640bbab502388c5e0fa0bff23f505"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.4.0"}]}}],"versions":["v2.2.0","v2.3.0","v2.3.1"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27824.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}