CVE-2026-14610

Open Asset Import Library Assimp CSM File CSMLoader.cpp InternReadFile heap-based overflow

State: Published
Severity: 4.8 Medium
Published: Jul 3, 2026
Updated: Jul 6, 2026
Reserved: Jul 3, 2026

Description

A flaw has been found in Open Asset Import Library Assimp up to 6.0.5. Impacted is the function Assimp::CSMImporter::InternReadFile of the file code/AssetLib/CSM/CSMLoader.cpp of the component CSM File Handler. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been published and may be used. Patch name: eb84eec580d3f4ba2f0fd87409b7d0744620f11e. Applying a patch is the recommended action to fix this issue.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	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:P	VulDB
3.1	5.3 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	5.3 Medium	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	4.3 Medium	AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-122 Heap-based Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
AssimpOpen Asset Import Library	6.0.0Affected 6.0.1Affected 6.0.2Affected 6.0.3Affected 6.0.4Affected 6.0.5Affected

References

VDB-376118 | Open Asset Import Library Assimp CSM File CSMLoader.cpp InternReadFile heap-based overflowvdb-entrytechnical-description
VDB-376118 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-14610 | CVE Analysis and Reportthird-party-advisory
Submit #844646 | Assimp commit 17c12da Heap-based Buffer Overflowthird-party-advisory
https://github.com/assimp/assimp/issues/6622issue-tracking
https://github.com/assimp/assimp/pull/6649issue-trackingpatch
https://github.com/user-attachments/files/27235863/poc.zipexploit
https://github.com/assimp/assimp/commit/eb84eec580d3f4ba2f0fd87409b7d0744620f11epatch

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