{"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":"2026-04-02T04:10:08.585755Z","published":"2020-12-09T21:15:14.850Z","related":["MGASA-2021-0015","SUSE-SU-2020:3931-1","SUSE-SU-2020:3934-1","openSUSE-SU-2020:2349-1","openSUSE-SU-2020:2351-1"],"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":"0"},{"fixed":"8b5370c688a7362673c3a5256d93695617a4cd9a"}]},{"type":"GIT","repo":"https://github.com/openexr/openexr","events":[{"introduced":"0"},{"last_affected":"0ac2ea34c8f3134148a5df4052e40f155b76f6fb"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"2.3.0"}]}}],"versions":["D_EXR_1_0","ILMBASE_1_0_2","OPENEXR_1_0_4","OPENEXR_1_0_7","OPENEXR_1_1_0","OPENEXR_1_1_1","OPENEXR_1_2_1","OPENEXR_1_2_2","OPENEXR_1_3_0","OPENEXR_1_3_1","OPENEXR_1_3_2","OPENEXR_1_4_0","OPENEXR_1_4_0a","OPENEXR_1_7_0","OPENEXR_VIEWERS_1_0_2","PHOTOSHOP_1_0","start","v1.7.1","v2.0.0","v2.0.0.GM","v2.0.0.beta.1","v2.0.0.beta.2","v2.0.1","v2.1.0","v2.2.0","v2.2.1","v2.2.2","v2.3.0"],"database_specific":{"vanir_signatures":[{"signature_version":"v1","digest":{"function_hash":"143967905294990520278655521811818684950","length":4663},"source":"https://github.com/academysoftwarefoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a","deprecated":false,"signature_type":"Function","id":"CVE-2020-16587-2ec0a54b","target":{"function":"MultiPartInputFile::Data::chunkOffsetReconstruction","file":"OpenEXR/IlmImf/ImfMultiPartInputFile.cpp"}},{"signature_version":"v1","digest":{"threshold":0.9,"line_hashes":["134578106560149560542039773809397150419","64017740078096563740224162377099776518","176058261214050518461075301377133407243","101883906199073792821308977749009224060"]},"source":"https://github.com/academysoftwarefoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a","deprecated":false,"signature_type":"Line","id":"CVE-2020-16587-eec94311","target":{"file":"OpenEXR/IlmImf/ImfMultiPartInputFile.cpp"}}],"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16587.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"}]}