{"id":"UBUNTU-CVE-2026-42450","details":"OpenColorIO is a color management framework for visual effects and animation. Prior to version 2.5.2, `FileFormatSpi3D.cpp:163` uses `sscanf` with `%s` into 64-byte stack buffers when parsing LUT data lines. Input comes from `lineBuffer[4096]`, so a crafted .spi3d file can overflow by ~4000 bytes on non-Windows. Version 2.5.2 fixes the issue.","modified":"2026-06-25T19:15:28.414882541Z","published":"2026-06-24T14:17:00Z","upstream":["CVE-2026-42450"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-42450"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-42450"},{"type":"REPORT","url":"https://github.com/AcademySoftwareFoundation/OpenColorIO/security/advisories/GHSA-rxp3-rrgx-f547"}],"affected":[{"package":{"name":"opencolorio","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/opencolorio?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.9~dfsg0-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libopencolorio1v5","binary_version":"1.0.9~dfsg0-4"},{"binary_version":"1.0.9~dfsg0-4","binary_name":"opencolorio-tools"},{"binary_version":"1.0.9~dfsg0-4","binary_name":"python-pyopencolorio"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42450.json"}},{"package":{"name":"opencolorio","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/opencolorio?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.9~dfsg0-11","1.0.9~dfsg0-11build1","1.0.9~dfsg0-12","1.1.0~dfsg0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libopencolorio1v5","binary_version":"1.1.0~dfsg0-1"},{"binary_name":"opencolorio-tools","binary_version":"1.1.0~dfsg0-1"},{"binary_name":"python-pyopencolorio","binary_version":"1.1.0~dfsg0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42450.json"}},{"package":{"name":"opencolorio","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/opencolorio?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.1~dfsg0-3","1.1.1~dfsg0-5","1.1.1~dfsg0-5ubuntu1","1.1.1~dfsg0-6"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.1~dfsg0-6","binary_name":"libopencolorio1v5"},{"binary_name":"opencolorio-tools","binary_version":"1.1.1~dfsg0-6"},{"binary_version":"1.1.1~dfsg0-6","binary_name":"python3-pyopencolorio"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42450.json"}},{"package":{"name":"opencolorio","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/opencolorio?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.1~dfsg0-7","1.1.1~dfsg0-7.1","1.1.1~dfsg0-7.1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libopencolorio1v5","binary_version":"1.1.1~dfsg0-7.1build1"},{"binary_version":"1.1.1~dfsg0-7.1build1","binary_name":"opencolorio-tools"},{"binary_name":"python3-pyopencolorio","binary_version":"1.1.1~dfsg0-7.1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42450.json"}},{"package":{"name":"opencolorio","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/opencolorio?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2+dfsg1-4.2build1","2.1.3+dfsg-1","2.1.3+dfsg-1build1","2.1.3+dfsg-1.1build2","2.1.3+dfsg-1.1build3"],"ecosystem_specific":{"binaries":[{"binary_name":"libopencolorio2.1t64","binary_version":"2.1.3+dfsg-1.1build3"},{"binary_version":"2.1.3+dfsg-1.1build3","binary_name":"opencolorio-tools"},{"binary_name":"python3-pyopencolorio","binary_version":"2.1.3+dfsg-1.1build3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42450.json"}},{"package":{"name":"opencolorio","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/opencolorio?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.3+dfsg-1.2"],"ecosystem_specific":{"binaries":[{"binary_name":"libopencolorio2.1t64","binary_version":"2.1.3+dfsg-1.2"},{"binary_name":"opencolorio-tools","binary_version":"2.1.3+dfsg-1.2"},{"binary_name":"python3-pyopencolorio","binary_version":"2.1.3+dfsg-1.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42450.json"}},{"package":{"name":"opencolorio","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/opencolorio?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.3+dfsg-1.2","2.1.3+dfsg-2","2.5.1+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libopencolorio2.5","binary_version":"2.5.1+dfsg-1"},{"binary_name":"opencolorio-tools","binary_version":"2.5.1+dfsg-1"},{"binary_name":"python3-pyopencolorio","binary_version":"2.5.1+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42450.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}