{"id":"CVE-2021-20299","details":"A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.","modified":"2026-09-02T08:13:13.550843Z","published":"2022-03-16T15:15:10.043Z","related":["SUSE-SU-2021:2793-1","SUSE-SU-2021:2913-1","openSUSE-SU-2021:1198-1","openSUSE-SU-2021:2793-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"}]},"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html"},{"type":"FIX","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25740"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1939154"},{"type":"FIX","url":"https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0f"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/AcademySoftwareFoundation/openexr","events":[{"introduced":"0"},{"fixed":"1899a456cbafb213c4a53c35eb3203296f92e503"}],"database_specific":{"cpe":"cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.5.4"}],"source":"CPE_RANGE"}}],"versions":["v2.5.3","v2.5.2","v2.5.1","v2.5.0","v2.4.0","v2.4.0-beta.1","v2.3.0","v2.1.0","v2.0.1","v2.0.0.GM","v2.0.0","v1.7.1","OPENEXR_1_0_4"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20299.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/academysoftwarefoundation/openexr","events":[{"introduced":"0"},{"fixed":"1899a456cbafb213c4a53c35eb3203296f92e503"},{"fixed":"25e9515b06a6bc293d871622b8cafaee7af84e0f"}],"database_specific":{"cpe":"cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.5.4"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v2.5.3","v2.5.2","v2.5.1","v2.5.0","v2.4.0","v2.4.0-beta.1","v2.3.0","v2.1.0","v2.0.1","v2.0.0.GM","v2.0.0","v1.7.1","OPENEXR_1_0_4"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20299.json","vanir_signatures_modified":"2026-09-02T08:13:13Z","vanir_signatures":[{"digest":{"function_hash":"43558481971026544418189989374291445407","length":2381},"id":"CVE-2021-20299-3d08d917","signature_type":"Function","signature_version":"v1","source":"https://github.com/academysoftwarefoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0f","target":{"file":"OpenEXR/IlmImf/ImfMultiPartInputFile.cpp","function":"MultiPartInputFile::initialize"},"deprecated":false},{"target":{"file":"OpenEXR/IlmImf/ImfMultiPartInputFile.cpp"},"deprecated":false,"digest":{"line_hashes":["28155319397136080869076402182794052168","257619579668239048862849654878369929255","277641654627410222250634413143467961571"],"threshold":0.9},"id":"CVE-2021-20299-7a099640","signature_type":"Line","signature_version":"v1","source":"https://github.com/academysoftwarefoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0f"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}