{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82591","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-08-30T06:11:59.586Z","datePublished":"2026-08-30T22:45:13.715Z","dateUpdated":"2026-08-31T18:56:49.387Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-08-30T22:45:13.715Z"},"title":"Open Asset Import Library Assimp MD5Loader.cpp MakeDataUnique heap-based overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-122","lang":"en","description":"Heap-based Buffer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"Open Asset Import Library","product":"Assimp","versions":[{"version":"6.0.0","status":"affected"},{"version":"6.0.1","status":"affected"},{"version":"6.0.2","status":"affected"}],"cpes":["cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"A security vulnerability has been detected in Open Asset Import Library Assimp up to 6.0.2. The impacted element is the function MD5Importer::MakeDataUnique of the file code/AssetLib/MD5/MD5Loader.cpp. The manipulation of the argument iNewIndex leads to heap-based buffer overflow. The attack can only be performed from a local environment. The identifier of the patch is bf9dabb617c46e5133dac65cca6bff177917afcb. Applying a patch is the recommended action to fix this issue."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C"}}],"timeline":[{"time":"2026-08-30T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-30T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-30T08:17:05.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Errorgone (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/397086","name":"VDB-397086 | Open Asset Import Library Assimp MD5Loader.cpp MakeDataUnique heap-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/397086/cti","name":"VDB-397086 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-82591","name":"CVE-2026-82591 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/892413","name":"Submit #892413 | assimp Open Asset Import Library (assimp) 6.0.2 Heap-based Buffer Overflow (CWE-122)","tags":["third-party-advisory"]},{"url":"https://github.com/assimp/assimp/pull/6718","tags":["issue-tracking","patch"]},{"url":"https://github.com/assimp/assimp/commit/bf9dabb617c46e5133dac65cca6bff177917afcb","tags":["patch"]}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202608"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-31T18:56:42.697312Z","id":"CVE-2026-82591","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-31T18:56:49.387Z"}}]}}