{"id":"CVE-2021-20304","details":"A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.","modified":"2026-05-15T12:04:17.484239955Z","published":"2022-08-23T16:15:09.087Z","related":["SUSE-SU-2021:14846-1","SUSE-SU-2021:2793-1","SUSE-SU-2021:2913-1","openSUSE-SU-2021:1198-1","openSUSE-SU-2021:2793-1"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2021-20304"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202210-31"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1939157"},{"type":"FIX","url":"https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e"},{"type":"FIX","url":"https://github.com/AcademySoftwareFoundation/openexr/pull/849"},{"type":"EVIDENCE","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229"}],"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"}]}