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Medium 5.3Published Jun 1, 2026

CVE-2026-10231Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp extract_anim_value heap-based overflow

Updated under an hour ago ()

Does this affect you?

It affects n/a Assimp. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extract_anim_value of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The project tagged the reported issue as bug.

CVSS
5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE)
CWE-122, CWE-119
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulDB
NVD analysis
Deferred
Record last updated
Jun 1, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
n/a Assimp
assimp:assimp
6.0.0; 6.0.1; 6.0.2; 6.0.3; 6.0.4
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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