{"schema_version":"1.8.0","id":"CVE-2020-27842","published":"2021-01-05T18:15:14.020Z","modified":"2026-08-07T11:31:23.033021350Z","related":["ALSA-2021:4251","SUSE-SU-2022:3801-1","SUSE-SU-2022:3802-1","SUSE-SU-2022:4082-1","openSUSE-SU-2024:13571-1"],"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.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/uclouvain/openjpeg","events":[{"introduced":"0"},{"fixed":"37ac30ceff6640bbab502388c5e0fa0bff23f505"}],"database_specific":{"cpe":"cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.4.0"}],"source":"CPE_RANGE"}}],"versions":["v2.3.1","v2.3.0","v2.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27842.json"}}],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/"},{"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":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4882"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1907513"},{"type":"FIX","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"},{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"},{"cpes":["cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"source":"CPE_STRING","vendor_product":"fedoraproject:extra_packages_for_enterprise_linux"},{"cpes":["cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"32"},{"last_affected":"32"},{"introduced":"33"},{"last_affected":"33"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora"},{"cpes":["cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.5.5"},{"last_affected":"8.5.5"}],"source":"CPE_STRING","vendor_product":"oracle:outside_in_technology"},{"cpes":["cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","vendor_product":"redhat:codeready_linux_builder"},{"cpes":["cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","vendor_product":"redhat:codeready_linux_builder_for_ibm_z_systems"},{"cpes":["cpe:2.3:o:redhat:codeready_linux_builder_for_power_little_endian:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","vendor_product":"redhat:codeready_linux_builder_for_power_little_endian"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux_for_ibm_z_systems"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux_for_power_little_endian"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}