CVE-2025-11275: Open Asset Import Library Assimp · Heap-based Buffer Overflow
Affects Open Asset Import Library AssimpSource CVE Database V5
Not known to be exploited · CVSS 4.8 Medium.
Data as of 25 Oct 2026, 18:53 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 16% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 5 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Open Asset Import Library Assimp | Affected
| Fixed in– |
AI-suggested
1. Immediately restrict local access to systems running Assimp 6.0.2 to trusted users only, minimizing the risk of local exploitation. 2. Monitor and audit local user activities for suspicious attempts to process malformed 3D assets or unusual application crashes. 3. Where possible, isolate or sandbox applications using Assimp to limit the impact of potential memory corruption. 4. Apply input validation and sanitization on all 3D asset files before processing with Assimp to prevent malformed data from triggering the vulnerability. 5. Track vendor announcements for official patches or updates and plan prompt deployment once available. 6. Consider upgrading to a later version of Assimp if it addresses this vulnerability or using alternative libraries with similar functionality and better security posture. 7. Employ runtime protections such as heap canaries, address space layout randomization (ASLR), and control flow integrity (CFI) to mitigate exploitation impact. 8. Educate developers and system administrators about the vulnerability and enforce secure coding and deployment practices around third-party libraries.
Description
A vulnerability was identified in Open Asset Import Library Assimp 6.0.2. Affected by this vulnerability is the function ODDLParser::getNextSeparator in the library assimp/contrib/openddlparser/include/openddlparser/OpenDDLParserUtils.h. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used.