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Vulnerability · Published Mar 10, 2025 · Assigned by VulDB

CVE-2025-2152Open Asset Import Library Assimp File BaseImporter.cpp ConvertToUTF8 heap-based overflow

Medium 6.3

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 0.5% (higher than 45% 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 55.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. This issue affects the function Assimp::BaseImporter::ConvertToUTF8 of the file BaseImporter.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack may 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-2025-2152
Debian:13assimpno fix listedDEBIAN-CVE-2025-2152
Debian:14assimp6.0.2+ds-1DEBIAN-CVE-2025-2152
PyPIpyassimpno fix listedPYSEC-2025-159
Ubuntu:22.04:LTSassimpno fix listedUBUNTU-CVE-2025-2152
Ubuntu:24.04:LTSassimpno fix listedUBUNTU-CVE-2025-2152
Ubuntu:25.10assimpno fix listedUBUNTU-CVE-2025-2152
Ubuntu:26.04:LTSassimpno fix listedUBUNTU-CVE-2025-2152
Ubuntu:26.10assimpno fix listedUBUNTU-CVE-2025-2152

Affected products (as reported)

VendorProductVersions
Open Asset Import Library Assimp 5.4.3

Weakness: CWE-122, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

References