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Vulnerability · Published Mar 25, 2025 · Assigned by VulDB

CVE-2025-2757Open Asset Import Library Assimp MD5 File MD5Parser.cpp AI_MD5_PARSE_STRING_IN_QUOTATION 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 54.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function AI_MD5_PARSE_STRING_IN_QUOTATION of the file code/AssetLib/MD5/MD5Parser.cpp of the component MD5 File Handler. The manipulation of the argument data leads to heap-based buffer overflow. 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-2025-2757
Debian:13assimpno fix listedDEBIAN-CVE-2025-2757
Debian:14assimp6.0.2+ds-1DEBIAN-CVE-2025-2757
PyPIpyassimpno fix listedPYSEC-2025-168
Ubuntu:22.04:LTSassimpno fix listedUBUNTU-CVE-2025-2757
Ubuntu:24.04:LTSassimpno fix listedUBUNTU-CVE-2025-2757
Ubuntu:25.10assimpno fix listedUBUNTU-CVE-2025-2757
Ubuntu:26.04:LTSassimpno fix listedUBUNTU-CVE-2025-2757
Ubuntu:26.10assimpno fix listedUBUNTU-CVE-2025-2757

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