{"id":"UBUNTU-CVE-2020-15306","details":"An issue was discovered in OpenEXR before v2.5.2. Invalid chunkCount attributes could cause a heap buffer overflow in getChunkOffsetTableSize() in IlmImf/ImfMisc.cpp.","modified":"2026-01-30T00:30:45.849198Z","published":"2020-06-26T01:15:00Z","related":["USN-4418-1"],"upstream":["CVE-2020-15306"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15306"},{"type":"REPORT","url":"https://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md"},{"type":"REPORT","url":"https://github.com/AcademySoftwareFoundation/openexr/blob/master/SECURITY.md"},{"type":"REPORT","url":"https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.5.2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4418-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-15306"}],"affected":[{"package":{"name":"openexr","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/openexr@2.2.0-10ubuntu2.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0-10ubuntu2.3"}]}],"versions":["2.2.0-1ubuntu3","2.2.0-7ubuntu1","2.2.0-9ubuntu1","2.2.0-10ubuntu2","2.2.0-10ubuntu2.1","2.2.0-10ubuntu2.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.2.0-10ubuntu2.3","binary_name":"libopenexr-dev"},{"binary_version":"2.2.0-10ubuntu2.3","binary_name":"libopenexr22"},{"binary_version":"2.2.0-10ubuntu2.3","binary_name":"openexr"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15306.json"}},{"package":{"name":"openexr","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/openexr@2.2.0-11.1ubuntu1.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0-11.1ubuntu1.3"}]}],"versions":["2.2.0-11ubuntu1","2.2.0-11.1ubuntu1","2.2.0-11.1ubuntu1.1","2.2.0-11.1ubuntu1.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.2.0-11.1ubuntu1.3","binary_name":"libopenexr-dev"},{"binary_version":"2.2.0-11.1ubuntu1.3","binary_name":"libopenexr22"},{"binary_version":"2.2.0-11.1ubuntu1.3","binary_name":"openexr"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15306.json"}},{"package":{"name":"openexr","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openexr@2.3.0-6ubuntu0.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-6ubuntu0.2"}]}],"versions":["2.2.1-4.1ubuntu1","2.3.0-6","2.3.0-6build1","2.3.0-6ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.3.0-6ubuntu0.2","binary_name":"libopenexr-dev"},{"binary_version":"2.3.0-6ubuntu0.2","binary_name":"libopenexr24"},{"binary_version":"2.3.0-6ubuntu0.2","binary_name":"openexr"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15306.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}