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Vulnerability · Published Jul 1, 2026 · Assigned by VulDB

CVE-2025-15666Open Asset Import Library Assimp Model File SceneCombiner.cpp Copy heap-based overflow

Medium 5.3

In plain English

A medium-severity heap buffer overflow in Assimp from Open Asset Import Library. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.1%top 97.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function Assimp::SceneCombiner::Copy of the file code/Common/SceneCombiner.cpp of the component Model File Handler. Such manipulation of the argument width/height leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. This and similar defects are tracked and handled via issue #6128.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12assimpno fix listedDEBIAN-CVE-2025-15666
Debian:13assimpno fix listedDEBIAN-CVE-2025-15666
Debian:14assimpno fix listedDEBIAN-CVE-2025-15666
Ubuntu:22.04:LTSassimpno fix listedUBUNTU-CVE-2025-15666
Ubuntu:24.04:LTSassimpno fix listedUBUNTU-CVE-2025-15666
Ubuntu:25.10assimpno fix listedUBUNTU-CVE-2025-15666
Ubuntu:26.04:LTSassimpno fix listedUBUNTU-CVE-2025-15666
Ubuntu:26.10assimpno fix listedUBUNTU-CVE-2025-15666

Affected products (as reported)

VendorProductVersions
Open Asset Import Library Assimp 5.4.05.4.15.4.25.4.3

Weakness: CWE-122, CWE-119 · Vector: 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

References