{"id":"CVE-2020-16587","details":"A heap-based buffer overflow vulnerability exists in Academy Software Foundation OpenEXR 2.3.0 in chunkOffsetReconstruction in ImfMultiPartInputFile.cpp that can cause a denial of service via a crafted EXR file.","modified":"2026-08-27T08:14:54.027894Z","published":"2020-12-09T21:15:14.850Z","related":["SUSE-SU-2020:3931-1","SUSE-SU-2020:3934-1","openSUSE-SU-2020:2349-1","openSUSE-SU-2020:2351-1"],"database_specific":{"unresolved_ranges":[{"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:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"]}]},"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html"},{"type":"REPORT","url":"https://github.com/AcademySoftwareFoundation/openexr/issues/491"},{"type":"FIX","url":"https://github.com/AcademySoftwareFoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/AcademySoftwareFoundation/openexr","events":[{"introduced":"0ac2ea34c8f3134148a5df4052e40f155b76f6fb"},{"last_affected":"0ac2ea34c8f3134148a5df4052e40f155b76f6fb"}],"database_specific":{"cpe":"cpe:2.3:a:openexr:openexr:2.3.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.3.0"},{"last_affected":"2.3.0"}],"source":"CPE_STRING"}}],"versions":["2.3.0","v2.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16587.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/academysoftwarefoundation/openexr","events":[{"introduced":"0ac2ea34c8f3134148a5df4052e40f155b76f6fb"},{"last_affected":"0ac2ea34c8f3134148a5df4052e40f155b76f6fb"},{"fixed":"8b5370c688a7362673c3a5256d93695617a4cd9a"}],"database_specific":{"cpe":"cpe:2.3:a:openexr:openexr:2.3.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.3.0"},{"last_affected":"2.3.0"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["2.3.0","v2.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16587.json","vanir_signatures_modified":"2026-08-27T08:14:54Z","vanir_signatures":[{"deprecated":false,"digest":{"length":4663,"function_hash":"143967905294990520278655521811818684950"},"id":"CVE-2020-16587-2ec0a54b","signature_type":"Function","signature_version":"v1","source":"https://github.com/academysoftwarefoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a","target":{"file":"OpenEXR/IlmImf/ImfMultiPartInputFile.cpp","function":"MultiPartInputFile::Data::chunkOffsetReconstruction"}},{"signature_version":"v1","source":"https://github.com/academysoftwarefoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a","target":{"file":"OpenEXR/IlmImf/ImfMultiPartInputFile.cpp"},"deprecated":false,"digest":{"line_hashes":["134578106560149560542039773809397150419","64017740078096563740224162377099776518","176058261214050518461075301377133407243","101883906199073792821308977749009224060"],"threshold":0.9},"id":"CVE-2020-16587-eec94311","signature_type":"Line"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}