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Vulnerability · Published Mar 25, 2025 · Assigned by VulDB

CVE-2025-2751Open Asset Import Library Assimp CSM File CSMLoader.cpp InternReadFile out-of-bounds

Medium 4.3

In plain English

A medium-severity out-of-bounds read 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 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.8%top 42.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This vulnerability affects the function Assimp::CSMImporter::InternReadFile of the file code/AssetLib/CSM/CSMLoader.cpp of the component CSM File Handler. The manipulation of the argument na leads to out-of-bounds read. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12assimpno fix listedDEBIAN-CVE-2025-2751
Debian:13assimpno fix listedDEBIAN-CVE-2025-2751
Debian:14assimp6.0.2+ds-1DEBIAN-CVE-2025-2751
PyPIpyassimpno fix listedPYSEC-2025-162
Ubuntu:22.04:LTSassimpno fix listedUBUNTU-CVE-2025-2751
Ubuntu:24.04:LTSassimpno fix listedUBUNTU-CVE-2025-2751
Ubuntu:25.10assimpno fix listedUBUNTU-CVE-2025-2751
Ubuntu:26.04:LTSassimpno fix listedUBUNTU-CVE-2025-2751
Ubuntu:26.10assimpno fix listedUBUNTU-CVE-2025-2751

Affected products (as reported)

VendorProductVersions
Open Asset Import Library Assimp 5.4.3

Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References