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Assimp CVE-2026-19968

| EUVDEUVD-2026-60016 LOW
Heap-based Buffer Overflow (CWE-122)
2026-08-17 VulDB GHSA-jgf7-xq22-j6mv
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
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:P/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
vuln.today AI
4.3 MEDIUM

File must be opened by a user (UI:R); no privileges required; impact is limited to application crash with no confidentiality or integrity effect per available data.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

5
Severity Changed
Aug 17, 2026 - 01:22 NVD
MEDIUM LOW
CVSS changed
Aug 17, 2026 - 01:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
Source Code Evidence Fetched
Aug 17, 2026 - 01:13 vuln.today
Analysis Generated
Aug 17, 2026 - 01:13 vuln.today
CVE Published
Aug 17, 2026 - 00:45 cve.org
MEDIUM 5.3

DescriptionCVE.org

A weakness has been identified in Open Asset Import Library Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ReadFaces_3DGS_MDL7 in the library code/AssetLib/LWO/LWOLoader.h of the component 3DGS MDL7 Model Parser. Executing a manipulation can lead to heap-based buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. This patch is called ee77bb09a42a49843ac85ef64c14d2328b251df1. Applying a patch is advised to resolve this issue.

AnalysisAI

Heap-based buffer overflow in Assimp's 3DGS MDL7 model parser allows remote attackers to crash applications processing maliciously crafted model files, causing a denial-of-service condition. The flaw resides in the ReadFaces_3DGS_MDL7 function and affects all Assimp versions through commit 17c12da (CPE wildcard-versioned), with a public proof-of-concept exploit already circulating on GitHub. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a user or automated process to open or import a maliciously crafted 3DGS MDL7 format model file using a build of Assimp at or before commit 17c12da. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 5.3 (Medium) is consistent with the limited assessed impact: availability only, rated Low, with no confidentiality or integrity consequence. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Apply the upstream fix by building Assimp from a source revision at or after commit ee77bb09a42a49843ac85ef64c14d2328b251df1 (https://github.com/assimp/assimp/commit/ee77bb09a42a49843ac85ef64c14d2328b251df1), which is also available as merged PR #6717 at https://github.com/assimp/assimp/pull/6717. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-19968 vulnerability details – vuln.today

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