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Description

A security vulnerability has been detected in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::read_sequence_infos of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation of the argument aiString leads to out-of-bounds read. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project tagged the reported issue as bug.

PUBLISHED Reserved 2026-05-31 | Published 2026-06-01 | Updated 2026-06-03 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
1.7AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Out-of-Bounds Read

Memory Corruption

Timeline

2026-05-31:Advisory disclosed
2026-05-31:VulDB entry created
2026-05-31:VulDB entry last update

Credits

TYGLS (VulDB User) reporter

VulDB CNA Team coordinator

References

github.com/assimp/assimp/issues/6619 exploit

vuldb.com/vuln/367512 (VDB-367512 | Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_sequence_infos out-of-bounds) vdb-entry technical-description

vuldb.com/vuln/367512/cti (VDB-367512 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-10233 (CVE-2026-10233 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/821196 (Submit #821196 | Assimp commit 17c12da Buffer Overflow) third-party-advisory

github.com/assimp/assimp/issues/6619 issue-tracking

github.com/user-attachments/files/27228962/poc.zip exploit

github.com/assimp/assimp/ product

cve.org (CVE-2026-10233)

nvd.nist.gov (CVE-2026-10233)

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