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Assimp CVE-2025-70071

| EUVDEUVD-2025-209624 MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2026-05-04 mitre
Denial Of Service N A
5.9
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
5.9 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SUSE
MEDIUM
qualitative
Red Hat
7.5 HIGH
qualitative

Primary rating from Vendor (mitre).

CVSS VectorVendor: mitre

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

5
Analysis Generated
May 04, 2026 - 18:45 vuln.today
CVSS changed
May 04, 2026 - 18:22 NVD
5.9 (MEDIUM)
EUVD ID Assigned
May 04, 2026 - 16:00 euvd
EUVD-2025-209624
Analysis Generated
May 04, 2026 - 16:00 vuln.today
CVE Published
May 04, 2026 - 00:00 nvd
MEDIUM 5.9

DescriptionCVE.org

An issue in Assimp v.6.0.2 allows a remote attacker to cause a denial of service via the FBXParser.cpp, ParseVectorDataArray()

AnalysisAI

Denial of service in Assimp 6.0.2 allows remote attackers to crash the application by sending specially crafted FBX files that trigger memory exhaustion or infinite loops in the FBXParser ParseVectorDataArray() function. The vulnerability requires network access but involves high attack complexity, indicating the attacker must precisely craft malformed input. Public exploit code exists; CISA SSVC analysis indicates the vulnerability is not automatable and results in partial technical impact (availability loss only), suggesting targeted rather than mass-scale exploitation.

Technical ContextAI

Assimp is an open-source 3D model loading library that supports multiple formats including FBX (Filmbox). The vulnerability resides in FBXParser.cpp, specifically the ParseVectorDataArray() function responsible for parsing vector data from FBX binary files. CWE-400 (Uncontrolled Resource Consumption) indicates the parser fails to properly validate or limit resource consumption when processing malformed vector data arrays. An attacker can craft an FBX file with oversized or deeply nested vector definitions that cause the parser to exhaust memory or enter pathological algorithmic complexity, triggering a denial of service without code execution.

RemediationAI

Upgrade to the latest Assimp release beyond 6.0.2. At the time of this analysis, no specific patched version number is confirmed in the provided references; consult the official Assimp repository (http://assimp.com) and GitHub project for the current stable release. As a compensating control, restrict FBX file processing to trusted sources and implement file type validation (verify FBX magic bytes and structure before passing to Assimp). If immediate upgrade is not feasible, deploy network-level controls to block or limit untrusted FBX uploads if the application accepts user-supplied 3D models. Additionally, run Assimp parsing in a sandboxed process with memory and CPU resource limits to contain the impact of denial-of-service crashes.

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Fixed

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CVE-2025-70071 vulnerability details – vuln.today
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