{"id":"UBUNTU-CVE-2020-35629","details":"Multiple code execution vulnerabilities exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. A specially crafted malformed file can lead to an out-of-bounds read and type confusion, which could lead to code execution. An attacker can provide malicious input to trigger any of these vulnerabilities. An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser\u003cEW\u003e::read_sloop() slh-\u003efacet().","modified":"2025-10-24T04:48:58Z","published":"2022-04-18T17:15:00Z","upstream":["CVE-2020-35629"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-35629"},{"type":"REPORT","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-35629"}],"affected":[{"package":{"name":"cgal","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/cgal@4.2-5ubuntu1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2-4ubuntu1","4.2-4ubuntu2","4.2-5ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcgal-demo","binary_version":"4.2-5ubuntu1"},{"binary_name":"libcgal-dev","binary_version":"4.2-5ubuntu1"},{"binary_name":"libcgal-ipelets","binary_version":"4.2-5ubuntu1"},{"binary_name":"libcgal-qt4-10","binary_version":"4.2-5ubuntu1"},{"binary_name":"libcgal-qt4-dev","binary_version":"4.2-5ubuntu1"},{"binary_name":"libcgal10","binary_version":"4.2-5ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35629.json"}},{"package":{"name":"cgal","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/cgal@4.7-4?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.6.1-2ubuntu6","4.7-3","4.7-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libcgal-demo","binary_version":"4.7-4"},{"binary_name":"libcgal-dev","binary_version":"4.7-4"},{"binary_name":"libcgal-ipelets","binary_version":"4.7-4"},{"binary_name":"libcgal-qt5-11","binary_version":"4.7-4"},{"binary_name":"libcgal-qt5-dev","binary_version":"4.7-4"},{"binary_name":"libcgal11v5","binary_version":"4.7-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35629.json"}},{"package":{"name":"cgal","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/cgal@4.11-2build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.9-1build2","4.11-2","4.11-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcgal-demo","binary_version":"4.11-2build1"},{"binary_name":"libcgal-dev","binary_version":"4.11-2build1"},{"binary_name":"libcgal-ipelets","binary_version":"4.11-2build1"},{"binary_name":"libcgal-qt5-13","binary_version":"4.11-2build1"},{"binary_name":"libcgal-qt5-dev","binary_version":"4.11-2build1"},{"binary_name":"libcgal13","binary_version":"4.11-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35629.json"}},{"package":{"name":"cgal","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/cgal@5.0.2-3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.14-5","5.0.2-1ubuntu1","5.0.2-3"],"ecosystem_specific":{"binaries":[{"binary_name":"libcgal-demo","binary_version":"5.0.2-3"},{"binary_name":"libcgal-dev","binary_version":"5.0.2-3"},{"binary_name":"libcgal-ipelets","binary_version":"5.0.2-3"},{"binary_name":"libcgal-qt5-dev","binary_version":"5.0.2-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35629.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}