{"id":"CVE-2020-27842","details":"There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability.","modified":"2026-04-10T04:26:40.017441Z","published":"2021-01-05T18:15:14.020Z","related":["ALSA-2021:4251","MGASA-2020-0478","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/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4882"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202101-29"},{"type":"FIX","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1907513"}],"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":"7.0"}]},{"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"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.5.5"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27842.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"}]}