{"id":"CVE-2026-111128","summary":"Assimp through 6.0.5 NULL Pointer Dereference via Ogre Importer Bone Assignment","details":"Assimp through 6.0.5 contains a NULL pointer dereference vulnerability in the Ogre3D importer that allows attackers to crash applications via unvalidated bone indices in OgreStructs.cpp. Attackers can supply a crafted .mesh and .skeleton file referencing a missing bone, causing BoneById() to return null and crash the host process.","modified":"2026-10-16T10:46:27.819327594Z","published":"2026-10-15T18:57:24.175Z","database_specific":{"cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111128.json","cna_assigner":"VulnCheck"},"references":[{"type":"WEB","url":"https://github.com"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111128.json"},{"type":"PACKAGE","url":"https://github.com/assimp/assimp"},{"type":"ARTICLE","url":"https://github.com/assimp/assimp/blob/392a658f9c271be965271f45e7521a1b80ea4392/code/AssetLib/Ogre/OgreStructs.cpp#L621-L634"},{"type":"ARTICLE","url":"https://github.com/assimp/assimp/blob/392a658f9c271be965271f45e7521a1b80ea4392/code/AssetLib/Ogre/OgreStructs.cpp#L914-L921"},{"type":"ARTICLE","url":"https://hackmd.io/@haind-pwn/assimp-ogre-mesh-bone-submesh-null-deref"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111128"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/assimp-through-6.0.5-null-pointer-dereference-via-ogre-importer-bone-assignment"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/assimp/assimp","events":[{"introduced":"0"},{"last_affected":"392a658f9c271be965271f45e7521a1b80ea4392"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"6.0.5"}]}}],"versions":["v6.0.5","v6.0.4","v6.0.3","v6.0.2","v6.0.1","v6.0.0","v5.4.3","v5.4.2","v5.4.1","v5.4.0","v5.3.1","v5.3.0","v5.2.5","v5.2.4","v5.2.3","v5.2.2","v5.2.0","v5.2.1","5.2.0","v5.1.4","v5.1.6","v5.1.5","v5.1.3","v5.1.2","v5.1.1","v5.1.0","v5.1.0.rc1","v5.0.0","v.5.0.0.rc2","v.5.0.0.rc1","v4.1.0","v4.0.0","v4.0.0.rc1","v3.3.1","v3.3","v3.2","v3.1.1","v3.1-rc2","Release3.1_RC1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111128.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}