{"id":"CVE-2025-2591","aliases":["DEBIAN-CVE-2025-2591","EUVD-2025-7251","GHSA-6q3p-m444-94qp","OESA-2026-1079","OESA-2026-1080","OESA-2026-1083","OESA-2026-1084","PYSEC-2025-160","SUSE-SU-2026:21821-1","UBUNTU-CVE-2025-2591","openSUSE-SU-2025:0113-1","openSUSE-SU-2025:14950-1","openSUSE-SU-2026:20781-1"],"status":"published","title":"Open Asset Import Library Assimp MDLLoader.cpp InternReadFile_Quake1 divide by zero","description":"A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0065,"percentile":0.51471,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-369","CWE-404"],"published":"2025-03-21T13:31:08Z","modified":"2026-10-28T02:30:21Z","fixes":[{"ecosystem":"Debian:14","package":"assimp","fixed_in":["6.0.2+ds-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.5~ds0-1","5.2.5~ds0-1.1","5.3.1+ds-1","5.3.1+ds-2","5.4.0+ds-1","5.4.1+ds-1","5.4.2+ds-1","5.4.3+ds-2","5.4.3+ds-3","6.0.2+ds-1","6.0.3+ds-1","6.0.4+ds-1","6.0.4+ds-3","6.0.5+ds-1"]},{"source":"osv","ecosystem":"Debian:13","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.3+ds-2","5.4.3+ds-3","6.0.2+ds-1","6.0.3+ds-1","6.0.4+ds-1","6.0.4+ds-3","6.0.5+ds-1"]},{"source":"osv","ecosystem":"Debian:14","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2+ds-1"}]}],"versions":["5.4.3+ds-2","5.4.3+ds-3"]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP2","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-11.oe2403sp2"}]}],"bundled":3},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP3","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-11.oe2403sp3"}]}],"bundled":3},{"source":"osv","ecosystem":"openEuler:24.03-LTS","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-11.oe2403"}]}],"bundled":3},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP1","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-11.oe2403sp1"}]}],"bundled":3},{"source":"osv","ecosystem":"PyPI","package":"pyassimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.4.3"}]}],"versions":["0.1","3.3","4.1.1","4.1.2","4.1.3","4.1.4","5.2.5"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0~dfsg-4ubuntu4","3.1.1~dfsg-5","3.2~dfsg-1","3.2~dfsg-2","3.2~dfsg-3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.1~dfsg-5","3.3.1~dfsg-5ubuntu1","3.3.1~dfsg-5+build1","4.0.1~dfsg-1~exp2","4.0.1~dfsg-1","4.1.0~dfsg-1","4.1.0~dfsg-2","4.1.0~dfsg-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.0~dfsg-5","4.1.0~dfsg-5ubuntu1","5.0.1~ds0-1build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.1~ds0-2","5.0.1~ds0-3ubuntu1","5.1.4~ds0-1","5.1.5~ds0-1","5.1.6~ds0-1","5.2.0~ds0-2","5.2.1~ds0-1","5.2.2~ds0-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.5~ds0-1.1build1","5.3.1+ds-1","5.3.1+ds-2","5.3.1+ds-2build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.3+ds-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.4+ds-1build1","6.0.5+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.3+ds-2","6.0.2+ds-1","6.0.3+ds-1","6.0.4+ds-1","6.0.4+ds-1build1"]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP6","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-bp156.3.9.1"}]}],"bundled":9},{"source":"osv","ecosystem":"openSUSE:Leap 15.6","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-bp156.3.9.1"}]}],"bundled":9},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"assimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.3-5.1"}]}],"bundled":4}],"products":[{"vendor":"assimp","product":"assimp"},{"vendor":"open asset import library","product":"assimp"}],"references":[{"url":"https://vuldb.com/?id.300574","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://vuldb.com/?ctiid.300574","tags":["signature","permissions-required","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/?submit.517781","tags":["third-party-advisory","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://github.com/assimp/assimp/issues/6009","tags":["issue-tracking","Exploit","Issue Tracking","report"]},{"url":"https://github.com/assimp/assimp/pull/6047","tags":["issue-tracking","Patch","report","fix"]},{"url":"https://github.com/assimp/assimp/issues/6009#issue-2877367021","tags":["exploit","issue-tracking","Exploit","Issue Tracking","report"]},{"url":"https://github.com/assimp/assimp/pull/6047/commits/ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd","tags":["issue-tracking","patch","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-2591","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6q3p-m444-94qp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/2xxx/CVE-2025-2591.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-2591","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1079","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11277","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-2152","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1080","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1083","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1084","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621821-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1239220","tags":["report"]},{"url":"https://bugzilla.suse.com/1239916","tags":["report"]},{"url":"https://bugzilla.suse.com/1239920","tags":["report"]},{"url":"https://bugzilla.suse.com/1240412","tags":["report"]},{"url":"https://bugzilla.suse.com/1241367","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2025-2151","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-2591","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-2592","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-3015","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-3548","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2025-2591","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-2591","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/GUXUVZ7SBZK5ZFR45B223UXCWUMD4XQD/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1232322","tags":["report"]},{"url":"https://bugzilla.suse.com/1232323","tags":["report"]},{"url":"https://bugzilla.suse.com/1232324","tags":["report"]},{"url":"https://bugzilla.suse.com/1233633","tags":["report"]},{"url":"https://bugzilla.suse.com/1240413","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2024-48423","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-48424","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-48425","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-53425","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-3016","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/IVB5I4E2WYMZHY5UCOCLR75CX3WJV47A/","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-2591","title":"Open Asset Import Library Assimp MDLLoader.cpp InternReadFile_Quake1 divide by zero","description":"A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.","status":"published","published":"2025-03-21T13:31:08.439Z","modified":"2025-03-21T14:26:30.345Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"},{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","assessor":"cna"}],"cwes":["CWE-369","CWE-404"],"updated_at":"2026-11-02T14:32:39.039362Z"}],"euvd":[{"id":"EUVD-2025-7251","description":"A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.","status":"published","published":"2025-03-21T13:31:08Z","modified":"2025-03-21T14:26:30Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:52:56.049523Z"}],"ghsa":[{"id":"GHSA-6q3p-m444-94qp","title":"A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3....","description":"A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.","status":"published","published":"2025-03-21T15:31:15Z","modified":"2025-03-21T15:31:15Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T15:00:23.592031Z"}],"nvd":[{"id":"CVE-2025-2591","description":"A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.","status":"published","published":"2025-03-21T14:15:16.853Z","modified":"2026-06-17T09:07:14.6Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"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"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"secondary"}],"cwes":["CWE-369","CWE-404"],"updated_at":"2026-11-02T14:10:54.744127Z"}],"osv":[{"id":"CVE-2025-2591","title":"Open Asset Import Library Assimp MDLLoader.cpp InternReadFile_Quake1 divide by zero","description":"A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.","status":"published","published":"2025-03-21T13:31:08.439Z","modified":"2026-10-28T02:30:21.480059446Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-369","CWE-404"],"updated_at":"2026-11-02T15:44:47.386092Z"},{"id":"DEBIAN-CVE-2025-2591","description":"A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.","status":"published","published":"2025-03-21T14:15:16.853Z","modified":"2026-09-01T20:05:44.789865387Z","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":"2026-11-02T15:45:45.870237Z"},{"id":"OESA-2026-1079","title":"assimp security update","description":"Assimp is a library to load and process geometric scenes from various data formats. Assimp aims to provide a full asset conversion pipeline for use in game engines and real-time rendering systems of any kind, but is not limited to this purpose.\r\n\r\nSecurity Fix(es):\n\nA weakness has been identified in Open Asset Import Library Assimp 6.0.2. This affects the function Q3DImporter::InternReadFile of the file assimp/code/AssetLib/Q3D/Q3DLoader.cpp. Executing manipulation can lead to heap-based buffer overflow. The attack needs to be launched locally. The exploit has been made available to the public and could be exploited.(CVE-2025-11277)\n\nA vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. This issue affects the function Assimp::BaseImporter::ConvertToUTF8 of the file BaseImporter.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.(CVE-2025-2152)\n\nA vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.(CVE-2025-2591)","status":"published","published":"2026-01-16T11:10:07Z","modified":"2026-08-18T01:19:26.964757016Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"OESA-2026-1080","title":"assimp security update","description":"Assimp is a library to load and process geometric scenes from various data formats. Assimp aims to provide a full asset conversion pipeline for use in game engines and real-time rendering systems of any kind, but is not limited to this purpose.\r\n\r\nSecurity Fix(es):\n\nA weakness has been identified in Open Asset Import Library Assimp 6.0.2. This affects the function Q3DImporter::InternReadFile of the file assimp/code/AssetLib/Q3D/Q3DLoader.cpp. Executing manipulation can lead to heap-based buffer overflow. The attack needs to be launched locally. The exploit has been made available to the public and could be exploited.(CVE-2025-11277)\n\nA vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. This issue affects the function Assimp::BaseImporter::ConvertToUTF8 of the file BaseImporter.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.(CVE-2025-2152)\n\nA vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.(CVE-2025-2591)","status":"published","published":"2026-01-16T11:10:07Z","modified":"2026-08-18T01:19:27.097557459Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"OESA-2026-1083","title":"assimp security update","description":"Assimp is a library to load and process geometric scenes from various data formats. Assimp aims to provide a full asset conversion pipeline for use in game engines and real-time rendering systems of any kind, but is not limited to this purpose.\r\n\r\nSecurity Fix(es):\n\nA weakness has been identified in Open Asset Import Library Assimp 6.0.2. This affects the function Q3DImporter::InternReadFile of the file assimp/code/AssetLib/Q3D/Q3DLoader.cpp. Executing manipulation can lead to heap-based buffer overflow. The attack needs to be launched locally. The exploit has been made available to the public and could be exploited.(CVE-2025-11277)\n\nA vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. This issue affects the function Assimp::BaseImporter::ConvertToUTF8 of the file BaseImporter.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.(CVE-2025-2152)\n\nA vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.(CVE-2025-2591)","status":"published","published":"2026-01-16T11:10:07Z","modified":"2026-08-18T01:19:27.182300205Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"OESA-2026-1084","title":"assimp security update","description":"Assimp is a library to load and process geometric scenes from various data formats. Assimp aims to provide a full asset conversion pipeline for use in game engines and real-time rendering systems of any kind, but is not limited to this purpose.\r\n\r\nSecurity Fix(es):\n\nA weakness has been identified in Open Asset Import Library Assimp 6.0.2. This affects the function Q3DImporter::InternReadFile of the file assimp/code/AssetLib/Q3D/Q3DLoader.cpp. Executing manipulation can lead to heap-based buffer overflow. The attack needs to be launched locally. The exploit has been made available to the public and could be exploited.(CVE-2025-11277)\n\nA vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. This issue affects the function Assimp::BaseImporter::ConvertToUTF8 of the file BaseImporter.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.(CVE-2025-2152)\n\nA vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.(CVE-2025-2591)","status":"published","published":"2026-01-16T11:10:07Z","modified":"2026-08-18T01:19:27.19958737Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"PYSEC-2025-160","description":"A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.","status":"published","published":"2025-03-21T14:15:16.853Z","modified":"2026-05-21T15:00:20.859191101Z","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":"2026-11-02T15:52:54.242332Z"},{"id":"UBUNTU-CVE-2025-2591","description":"A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.","status":"published","published":"2025-03-21T14:15:00Z","modified":"2026-10-17T12:56:49.502129758Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"},{"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"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:26.330196Z"},{"id":"openSUSE-SU-2025:0113-1","title":"Security update for assimp","description":"This update for assimp fixes the following issues:\n\n- CVE-2024-48425: Fixed SEGV in Assimp:SplitLargeMeshesProcess_Triangle:UpdateNode (boo#1232324)\n- CVE-2024-48423: Fixed a arbitrary code execution via CallbackToLogRedirector() (boo#1232322)\n- CVE-2024-48424: Fixed a heap-buffer-overflow in OpenDDLParser:parseStructure() (boo#1232323)\n- CVE-2024-53425: Fixed a heap-based buffer overflow in SkipSpacesAndLineEnd() (boo#1233633)\n- CVE-2025-2592: Fixed a heap-based buffer overflow in Assimp::CSMImporter::InternReadFile() (boo#1239916)\n- CVE-2025-3015: Fixed out-of-bounds read caused by manipulation of the argument mIndices (boo#1240412)\n- CVE-2025-3016: Fixed a denial of service caused by manipulation of the argument mWidth/mHeight (boo#1240413)\n- CVE-2025-2591: Fixed a denial of service in code/AssetLib/MDL/MDLLoader.cpp (boo#1239920)\n- CVE-2025-2151: Fixed a stack-based buffer overflow in Assimp::GetNextLine() (boo#1239220)\n","status":"published","published":"2025-04-02T16:31:31Z","modified":"2026-02-04T04:10:58.651803Z","updated_at":"2026-11-02T16:58:36.976155Z"},{"id":"openSUSE-SU-2025:14950-1","title":"assimp-devel-5.4.3-5.1 on GA media","description":"These are all security issues fixed in the assimp-devel-5.4.3-5.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-04-02T00:00:00Z","modified":"2026-02-04T02:14:44.357618Z","updated_at":"2026-11-02T16:58:37.399567Z"},{"id":"openSUSE-SU-2026:20781-1","title":"Security update for assimp","description":"This update for assimp fixes the following issues\n\n- CVE-2025-2151: vulnerability affects the function Assimp: GetNextLine in the library ParsingUtils.h (bsc#1239220).\n- CVE-2025-2591: division by zero in code/AssetLib/MDL/MDLLoader.cpp (bsc#1239920).\n- CVE-2025-2592: heap-based buffer overflow in Assimp: CSMImporter: InternReadFile of code/AssetLib/CSM/CSMLoader.cpp\n  (bsc#1239916).\n- CVE-2025-3015: manipulation of the argument mIndices leads to out-of-bounds read (bsc#1240412).\n- CVE-2025-3548: processing of malformed files may leads to an out-of-bounds read and potential application crash\n  (bsc#1241367).\n","status":"published","published":"2026-05-19T09:47:34Z","modified":"2026-05-26T18:24:12.496959494Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"SUSE-SU-2026:21821-1","title":"Security update for assimp","description":"This update for assimp fixes the following issues\n\n- CVE-2025-2151: vulnerability affects the function Assimp: GetNextLine in the library ParsingUtils.h (bsc#1239220).\n- CVE-2025-2591: division by zero in code/AssetLib/MDL/MDLLoader.cpp (bsc#1239920).\n- CVE-2025-2592: heap-based buffer overflow in Assimp: CSMImporter: InternReadFile of code/AssetLib/CSM/CSMLoader.cpp\n  (bsc#1239916).\n- CVE-2025-3015: manipulation of the argument mIndices leads to out-of-bounds read (bsc#1240412).\n- CVE-2025-3548: processing of malformed files may leads to an out-of-bounds read and potential application crash\n  (bsc#1241367).\n","status":"published","published":"2026-05-19T09:46:29Z","modified":"2026-05-28T18:24:12.853813787Z","updated_at":"2026-11-02T15:54:02.654057Z"}]}}