Assimp up to 6.0.4 Half-Life 1 MDL Loader HL1MDLLoader.cpp read_meshes heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Assimp up to 6.0.4. This impacts the function HL1MDLLoader::read_meshes of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Such manipulation leads to heap-based overflow. This vulnerability is listed as CVE-2026-10229. The attack must be carried out locally. In addition, an exploit is available. The project tagged the reported issue as bug.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::read_meshes of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-10229. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The project tagged the reported issue as bug.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/31/2026 Advisory disclosed
05/31/2026 +0 days VulDB entry created
05/31/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 6614
Status: Not defined

CVE: CVE-2026-10229 (🔒)
GCVE (CVE): GCVE-0-2026-10229
GCVE (VulDB): GCVE-100-367508
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/31/2026 10:16
Changes: 05/31/2026 10:16 (57)
Complete: 🔍
Submitter: TYGLS
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #821189: Assimp commit 17c12da Heap-based Buffer Overflow (by TYGLS)

Once again VulDB remains the best source for vulnerability data.

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