{"id":"UBUNTU-CVE-2021-3478","details":"There's a flaw in OpenEXR's scanline input file functionality in versions before 3.0.0-beta. An attacker able to submit a crafted file to be processed by OpenEXR could consume excessive system memory. The greatest impact of this flaw is to system availability.","modified":"2026-04-22T12:54:56.623149Z","published":"2021-03-31T14:15:00Z","related":["USN-4900-1"],"upstream":["CVE-2021-3478"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3478"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4900-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-3478"}],"affected":[{"package":{"name":"openexr","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/openexr@2.2.0-10ubuntu2.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0-10ubuntu2.6"}]}],"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","2.2.0-10ubuntu2.3","2.2.0-10ubuntu2.4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.0-10ubuntu2.6","binary_name":"libopenexr22"},{"binary_version":"2.2.0-10ubuntu2.6","binary_name":"openexr"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3478.json"}},{"package":{"name":"openexr","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/openexr@2.2.0-11.1ubuntu1.6?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0-11.1ubuntu1.6"}]}],"versions":["2.2.0-11ubuntu1","2.2.0-11.1ubuntu1","2.2.0-11.1ubuntu1.1","2.2.0-11.1ubuntu1.2","2.2.0-11.1ubuntu1.3","2.2.0-11.1ubuntu1.4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.0-11.1ubuntu1.6","binary_name":"libopenexr22"},{"binary_version":"2.2.0-11.1ubuntu1.6","binary_name":"openexr"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3478.json"}},{"package":{"name":"openexr","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openexr@2.3.0-6ubuntu0.5?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-6ubuntu0.5"}]}],"versions":["2.2.1-4.1ubuntu1","2.3.0-6","2.3.0-6build1","2.3.0-6ubuntu0.1","2.3.0-6ubuntu0.2","2.3.0-6ubuntu0.3"],"ecosystem_specific":{"binaries":[{"binary_version":"2.3.0-6ubuntu0.5","binary_name":"libopenexr24"},{"binary_version":"2.3.0-6ubuntu0.5","binary_name":"openexr"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3478.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"},{"type":"Ubuntu","score":"medium"}]}