{"id":"CVE-2020-28632","aliases":["DEBIAN-CVE-2020-28632","DLA-2649-1","DLA-3226-1","EUVD-2020-21030","GHSA-8r6f-5p66-vjcg","UBUNTU-CVE-2020-28632"],"status":"published","title":"Multiple code execution vulnerabilities exists in the Nef polygon-parsing functionality of CGAL...","description":"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_sedge() seh-\u003eincident_sface().","severity":{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0229,"percentile":0.83353,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125","CWE-129"],"published":"2021-05-04T00:00:00Z","modified":"2026-10-26T12:01:51Z","fixes":[{"ecosystem":"Debian:12","package":"cgal","fixed_in":["5.2-3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"cgal","fixed_in":["5.2-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"cgal","fixed_in":["5.2-3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"cgal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2-3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"cgal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"cgal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2-3"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"cgal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9-1+deb9u1"}]}],"versions":["4.9-1"],"bundled":45},{"source":"osv","ecosystem":"Debian:10","package":"cgal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13-1+deb10u1"}]}],"versions":["4.13-1"],"bundled":45},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"cgal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2-4ubuntu1","4.2-4ubuntu2","4.2-5ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"cgal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.6.1-2ubuntu6","4.7-3","4.7-4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"cgal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.9-1build2","4.11-2","4.11-2build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"cgal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.14-5","5.0.2-1ubuntu1","5.0.2-3"]}],"products":[{"vendor":"cgal","product":"computational_geometry_algorithms_library"},{"vendor":"cgal project","product":"libcgal"},{"vendor":"debian","product":"debian_linux"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225","tags":["x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00011.html","tags":["mailing-list","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://security.gentoo.org/glsa/202305-34","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28632"},{"url":"https://github.com/advisories/GHSA-8r6f-5p66-vjcg"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-28632","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-28632","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-28632","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-28632","description":"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_sedge() seh-\u003eincident_sface().","status":"published","published":"2022-04-18T16:56:33.465Z","modified":"2025-04-23T18:35:15.793Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-21030","description":"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_sedge() seh-\u003eincident_sface().","status":"published","published":"2022-04-18T16:56:33Z","modified":"2025-04-23T18:35:15Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:52:08.401317Z"}],"ghsa":[{"id":"GHSA-8r6f-5p66-vjcg","title":"Multiple code execution vulnerabilities exists in the Nef polygon-parsing functionality of CGAL...","description":"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_sedge() seh-\u003eincident_sface().","status":"published","published":"2022-04-19T00:00:52Z","modified":"2023-05-30T06:30:21Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-125","CWE-129"],"updated_at":"2026-11-02T14:54:37.218716Z"}],"nvd":[{"id":"CVE-2020-28632","description":"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_sedge() seh-\u003eincident_sface().","status":"published","published":"2022-04-18T17:15:13.833Z","modified":"2026-06-17T03:10:39.683Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-129","CWE-125"],"updated_at":"2026-11-02T14:06:46.951463Z"}],"osv":[{"id":"CVE-2020-28632","description":"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_sedge() seh-\u003eincident_sface().","status":"published","published":"2022-04-18T17:15:13.833Z","modified":"2026-10-24T10:31:02.794868655Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:16.612899Z"},{"id":"DEBIAN-CVE-2020-28632","description":"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_sedge() seh-\u003eincident_sface().","status":"published","published":"2022-04-18T17:15:13.833Z","modified":"2026-10-26T12:01:51.933335121Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:34.019707Z"},{"id":"UBUNTU-CVE-2020-28632","description":"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_sedge() seh-\u003eincident_sface().","status":"published","published":"2022-04-18T17:15:00Z","modified":"2026-04-22T12:39:16.735253Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:24.541803Z"},{"id":"DLA-2649-1","title":"cgal - security update","status":"published","published":"2021-05-04T00:00:00Z","modified":"2026-03-09T01:19:11.039215Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"DLA-3226-1","title":"cgal - security update","status":"published","published":"2022-12-06T00:00:00Z","modified":"2026-03-09T01:23:04.843764Z","updated_at":"2026-11-02T15:46:11.734021Z"}]}}