{"id":"CVE-2021-20300","details":"A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.","modified":"2026-04-11T12:35:20.894361Z","published":"2022-03-04T18:15:07.867Z","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":{"unresolved_ranges":[{"source":"CPE_FIELD","extracted_events":[{"last_affected":"10.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"}]},"references":[{"type":"ADVISORY","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1939153"},{"type":"FIX","url":"https://github.com/AcademySoftwareFoundation/openexr/pull/836"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/AcademySoftwareFoundation/openexr","events":[{"introduced":"0"},{"fixed":"1899a456cbafb213c4a53c35eb3203296f92e503"}],"database_specific":{"source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"fixed":"2.5.4"}],"cpe":"cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*"}}],"versions":["OPENEXR_1_0_4","v1.7.1","v2.0.0","v2.0.0.GM","v2.0.1","v2.1.0","v2.3.0","v2.4.0","v2.4.0-beta.1","v2.5.0","v2.5.1","v2.5.2","v2.5.3"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20300.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"}]}