{"id":"CVE-2021-45948","aliases":["DEBIAN-CVE-2021-45948","EUVD-2022-0209","GHSA-7jv6-5f7h-7g3g","PYSEC-2022-43148","UBUNTU-CVE-2021-45948"],"status":"published","title":"Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in...","description":"Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in _m3d_safestr (called from m3d_load and Assimp::M3DWrapper::M3DWrapper).","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00973,"percentile":0.62269,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2021-12-31T00:00:00Z","modified":"2026-10-24T10:30:37Z","fixes":[{"ecosystem":"Debian:12","package":"assimp","fixed_in":["5.1.1~ds0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"assimp","fixed_in":["5.1.1~ds0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"assimp","fixed_in":["5.1.1~ds0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.1~ds0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.1~ds0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.1~ds0-1"}]}]}],"products":[{"vendor":"assimp","product":"assimp"}],"references":[{"url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/assimp/OSV-2021-775.yaml","tags":["x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34416","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://security.gentoo.org/glsa/202210-01","tags":["vendor-advisory","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45948"},{"url":"https://github.com/advisories/GHSA-7jv6-5f7h-7g3g"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-45948","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-45948","tags":["report"]},{"url":"https://github.com/assimp/assimp/pull/4146","tags":["report"]},{"url":"https://github.com/assimp/assimp/commit/30f17aa2064b86c0096f0ec701b9e8ea9312fef2","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-45948","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-45948","description":"Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in _m3d_safestr (called from m3d_load and Assimp::M3DWrapper::M3DWrapper).","status":"published","published":"2021-12-31T00:00:00Z","modified":"2024-08-04T04:54:31.218Z","updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2022-0209","description":"Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in _m3d_safestr (called from m3d_load and Assimp::M3DWrapper::M3DWrapper).","status":"published","published":"2021-12-31T00:00:00Z","modified":"2024-08-04T04:54:31Z","updated_at":"2026-11-03T03:08:24.682864Z"}],"ghsa":[{"id":"GHSA-7jv6-5f7h-7g3g","title":"Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in...","description":"Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in _m3d_safestr (called from m3d_load and 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from m3d_load and Assimp::M3DWrapper::M3DWrapper).","status":"withdrawn","published":"2022-01-01T00:15:00Z","modified":"2024-11-21T14:22:59.35793Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:53.449407Z"},{"id":"UBUNTU-CVE-2021-45948","description":"Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in _m3d_safestr (called from m3d_load and Assimp::M3DWrapper::M3DWrapper).","status":"withdrawn","published":"2022-01-01T00:15:00Z","modified":"2025-07-16T07:20:02.969764Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:30.277322Z"}]}}