{"id":"UBUNTU-CVE-2021-26945","details":"An integer overflow leading to a heap-buffer overflow was found in OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.","modified":"2026-05-08T12:25:54.898825Z","published":"2021-06-08T12:15:00Z","upstream":["CVE-2021-26945"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-26945"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-26945"},{"type":"REPORT","url":"https://github.com/AcademySoftwareFoundation/openexr/pull/930"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-26945"}],"affected":[{"package":{"name":"openexr","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/openexr@2.3.0-6ubuntu0.5+esm2?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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","2.3.0-6ubuntu0.5","2.3.0-6ubuntu0.5+esm1","2.3.0-6ubuntu0.5+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libopenexr24","binary_version":"2.3.0-6ubuntu0.5+esm2"},{"binary_version":"2.3.0-6ubuntu0.5+esm2","binary_name":"openexr"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-26945.json"}},{"package":{"name":"openexr","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/openexr@2.5.7-1ubuntu0.1~esm2?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.4-2","2.5.7-1","2.5.7-1ubuntu0.1~esm1","2.5.7-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.5.7-1ubuntu0.1~esm2","binary_name":"libopenexr25"},{"binary_name":"openexr","binary_version":"2.5.7-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-26945.json"}},{"package":{"name":"openexr","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/openexr@3.1.5-5.1ubuntu0.1~esm1?arch=source&distro=esm-apps/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.5-5.1","3.1.5-5.1build1","3.1.5-5.1build2","3.1.5-5.1build3","3.1.5-5.1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libopenexr-3-1-30","binary_version":"3.1.5-5.1ubuntu0.1~esm1"},{"binary_name":"openexr","binary_version":"3.1.5-5.1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-26945.json"}},{"package":{"name":"openexr","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/openexr@3.1.13-2?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.13-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libopenexr-3-1-30","binary_version":"3.1.13-2"},{"binary_name":"openexr","binary_version":"3.1.13-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-26945.json"}},{"package":{"name":"openexr","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/openexr@3.1.13-2ubuntu0.26.04.1~esm1?arch=source&distro=esm-apps/resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.13-2","3.1.13-2build1","3.1.13-2ubuntu0.26.04.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libopenexr-3-1-30","binary_version":"3.1.13-2ubuntu0.26.04.1~esm1"},{"binary_name":"openexr","binary_version":"3.1.13-2ubuntu0.26.04.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-26945.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":"negligible"}]}