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CVE-2025-70069 Assimp CVE debrief

CVE-2025-70069 is a high-severity vulnerability in Assimp v.6.0.2 that allows remote attackers to cause a denial of service via the FBXConverter.cpp and ConvertMeshMultiMaterial() method. The vulnerability has a CVSS score of 7.5 and is classified as HIGH. The CVE record was published on May 4, 2026, and last modified on June 30, 2026. The vulnerability affects Assimp, a library used for importing various 3D model formats. The issue was reported via multiple sources, including GitHub and Red Hat security advisories.

Vendor
Assimp
Product
Assimp
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-04
Original CVE updated
2026-07-15
Advisory published
2026-05-04
Advisory updated
2026-07-15

Who should care

Organizations using Assimp v.6.0.2 in their applications should prioritize patching this vulnerability to prevent potential denial-of-service attacks. Additionally, developers and security teams responsible for 3D model import and processing should be aware of this issue and take necessary precautions. Red Hat and other Linux distributors have provided advisories and patches for affected systems.

Technical summary

The vulnerability is caused by an issue in the FBXConverter.cpp file of the Assimp library, specifically in the ConvertMeshMultiMaterial() method. This allows remote attackers to cause a denial-of-service condition. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating a high severity. Multiple sources, including Red Hat and GitHub, have reported on this issue.

Defensive priority

Patching this vulnerability is of high priority due to its potential impact on applications using Assimp v.6.0.2. Denial-of-service attacks can have significant effects on service availability and overall system security.

Recommended defensive actions

  • Apply the official patch or update to a fixed version of Assimp.
  • Review and update affected systems and applications using Assimp v.6.0.2.
  • Implement compensating controls, such as monitoring for suspicious activity.
  • Verify and validate the patch or update process.
  • Consider implementing additional security measures for 3D model import and processing.

Evidence notes

The CVE record and NVD detail provide official information on this vulnerability. Multiple sources, including Red Hat security advisories and GitHub reports, have documented this issue. However, some details about the vulnerability, such as specific affected systems or exploitation methods, may be limited or not publicly available.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-70069 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-70069

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-70069 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-70069

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://gist.github.com/GunP4ng/9080ae7f0470c889a59cc3bfca445223

    [email protected]

  • Source reference

    Unverified legacy reference

    URL: https://access.redhat.com/security/cve/CVE-2025-70069

    0b0ca135-0b70-47e7-9f44-1890c2a1c46c

  • Source reference

    Unverified legacy reference

    URL: https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-70069.json

    0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.