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CVE-2026-10229

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

CVSS 4.8 MEDIUMEPSS 0.1%CWE-119CWE-122
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 4.8EPSS 0.1%KEV nãoPoC públicaNuclei Metasploit Patch
Lifecycle
01 Jun 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability was determined in Assimp up to 6.0.4. This affects the function HL1MDLLoader::read_meshes of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. The project tagged the reported issue as bug.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
n/a · Assimp
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.