{"id":"CVE-2025-2753","aliases":["DEBIAN-CVE-2025-2753","EUVD-2025-8063","GHSA-6gmq-j827-jv97","PYSEC-2025-164","UBUNTU-CVE-2025-2753"],"status":"published","title":"Open Asset Import Library Assimp LWS File LWSLoader.cpp MergeScenes out-of-bounds","description":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as critical. Affected is the function SceneCombiner::MergeScenes of the file code/AssetLib/LWS/LWSLoader.cpp of the component LWS File Handler. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00496,"percentile":0.43044,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-125"],"published":"2025-03-25T08:31:04Z","modified":"2026-10-28T02:30:34Z","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"}]}],"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":"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"]}],"products":[{"vendor":"assimp","product":"assimp"},{"vendor":"open asset import library","product":"assimp"}],"references":[{"url":"https://vuldb.com/?id.300858","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://vuldb.com/?ctiid.300858","tags":["signature","permissions-required","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/?submit.517787","tags":["third-party-advisory","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://github.com/assimp/assimp/issues/6014","tags":["issue-tracking","Exploit","Issue Tracking","report"]},{"url":"https://github.com/assimp/assimp/issues/6014#issue-2877372462","tags":["exploit","issue-tracking","Exploit","Issue Tracking","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-2753","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6gmq-j827-jv97"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/2xxx/CVE-2025-2753.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-2753","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-2753","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-2753","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-2753","title":"Open Asset Import Library Assimp LWS File LWSLoader.cpp MergeScenes out-of-bounds","description":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as critical. Affected is the function SceneCombiner::MergeScenes of the file code/AssetLib/LWS/LWSLoader.cpp of the component LWS File Handler. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-03-25T08:31:04.517Z","modified":"2025-03-25T13:14:56.061Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"},{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","assessor":"cna"}],"cwes":["CWE-125","CWE-119"],"updated_at":"2026-11-02T14:32:39.039362Z"}],"euvd":[{"id":"EUVD-2025-8063","description":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as critical. Affected is the function SceneCombiner::MergeScenes of the file code/AssetLib/LWS/LWSLoader.cpp of the component LWS File Handler. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-03-25T08:31:04Z","modified":"2025-03-25T13:14:56Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:52:53.630669Z"}],"ghsa":[{"id":"GHSA-6gmq-j827-jv97","title":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as...","description":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as critical. Affected is the function SceneCombiner::MergeScenes of the file code/AssetLib/LWS/LWSLoader.cpp of the component LWS File Handler. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-03-25T09:32:07Z","modified":"2025-03-25T09:32:14Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/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"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:00:25.909155Z"}],"nvd":[{"id":"CVE-2025-2753","description":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as critical. Affected is the function SceneCombiner::MergeScenes of the file code/AssetLib/LWS/LWSLoader.cpp of the component LWS File Handler. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-03-25T09:15:17.247Z","modified":"2026-06-17T09:07:33.947Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/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":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"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":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"secondary"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T14:10:55.858901Z"}],"osv":[{"id":"CVE-2025-2753","title":"Open Asset Import Library Assimp LWS File LWSLoader.cpp MergeScenes out-of-bounds","description":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as critical. Affected is the function SceneCombiner::MergeScenes of the file code/AssetLib/LWS/LWSLoader.cpp of the component LWS File Handler. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-03-25T08:31:04.517Z","modified":"2026-10-28T02:30:34.173826803Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T15:44:47.708311Z"},{"id":"DEBIAN-CVE-2025-2753","description":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as critical. Affected is the function SceneCombiner::MergeScenes of the file code/AssetLib/LWS/LWSLoader.cpp of the component LWS File Handler. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-03-25T09:15:17.247Z","modified":"2026-09-01T20:05:45.225087253Z","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":"2026-11-02T15:45:45.870237Z"},{"id":"PYSEC-2025-164","description":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as critical. Affected is the function SceneCombiner::MergeScenes of the file code/AssetLib/LWS/LWSLoader.cpp of the component LWS File Handler. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-03-25T09:15:17.247Z","modified":"2026-05-21T15:00:22.172160147Z","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":"2026-11-02T15:52:54.242332Z"},{"id":"UBUNTU-CVE-2025-2753","description":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as critical. Affected is the function SceneCombiner::MergeScenes of the file code/AssetLib/LWS/LWSLoader.cpp of the component LWS File Handler. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-03-25T09:15:00Z","modified":"2026-10-17T12:56:49.58131485Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"},{"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"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:26.330196Z"}]}}