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Vulnerability · Published Mar 25, 2025 · Assigned by VulDB

CVE-2025-2750Open Asset Import Library Assimp CSM File CSMLoader.cpp InternReadFile out-of-bounds write

Medium 6.3

In plain English

A medium-severity out-of-bounds write 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 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.5%top 58.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::CSMImporter::InternReadFile of the file code/AssetLib/CSM/CSMLoader.cpp of the component CSM File Handler. The manipulation leads to out-of-bounds write. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12assimpno fix listedDEBIAN-CVE-2025-2750
Debian:13assimpno fix listedDEBIAN-CVE-2025-2750
Debian:14assimp6.0.2+ds-1DEBIAN-CVE-2025-2750
PyPIpyassimpno fix listedPYSEC-2025-161
Ubuntu:22.04:LTSassimpno fix listedUBUNTU-CVE-2025-2750
Ubuntu:24.04:LTSassimpno fix listedUBUNTU-CVE-2025-2750
Ubuntu:25.10assimpno fix listedUBUNTU-CVE-2025-2750
Ubuntu:26.04:LTSassimpno fix listedUBUNTU-CVE-2025-2750
Ubuntu:26.10assimpno fix listedUBUNTU-CVE-2025-2750

Affected products (as reported)

VendorProductVersions
Open Asset Import Library Assimp 5.4.3

Weakness: CWE-787, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

References