CVE-2025-5203

LOW

Assimp < 5.4.3 - Memory Corruption

Title source: rule
STIX 2.1

Description

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been rated as problematic. Affected by this issue is the function SkipSpaces in the library assimp/include/assimp/ParsingUtils.h. The manipulation leads to out-of-bounds read. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.310292
Permissions Required, Third Party Advisory, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.310292
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.578012
Exploit, Issue Tracking issue-tracking
https://github.com/assimp/assimp/issues/6175
Issue Tracking issue-tracking
https://github.com/assimp/assimp/issues/6128

Scores

CVSS v3 3.3
EPSS 0.0011
EPSS Percentile 29.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-119 CWE-125
Status published
Products (1)
assimp/assimp < 5.4.3
Published May 26, 2025
Tracked Since Feb 18, 2026