CVE-2025-11277: 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, 19:02 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
To mitigate CVE-2025-11277, organizations should first verify if they are using Assimp version 6.0.2 and specifically the Q3DImporter functionality. Immediate mitigation steps include restricting local access to trusted users only and applying strict access controls on systems where Assimp is deployed. Developers should consider disabling or sandboxing the Q3D import functionality if not required. Monitoring and logging local user activities related to file imports can help detect exploitation attempts. Until an official patch is released, recompiling Assimp with added bounds checking or using memory safety tools such as AddressSanitizer during development can help identify and prevent exploitation. Additionally, organizations should keep their software dependencies updated and subscribe to vendor advisories for timely patch releases. Employing endpoint protection solutions capable of detecting anomalous local memory corruption or exploitation attempts can provide an additional layer of defense. Finally, educating local users about the risks of running untrusted 3D files can reduce the likelihood of exploitation.
Description
A weakness has been identified in Open Asset Import Library Assimp 6.0.2. This affects the function Q3DImporter::InternReadFile of the file assimp/code/AssetLib/Q3D/Q3DLoader.cpp. Executing a manipulation can lead to heap-based buffer overflow. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks.