How severe is CVE-2025-5165?

CVE-2025-5165 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-5165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5165?

CVE-2025-5165 affects Assimp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-5165?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-5165 have an EU (EUVD) identifier?

Yes. CVE-2025-5165 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16256.

When was CVE-2025-5165 published?

CVE-2025-5165 was published on 2025-05-26 and last updated on 2026-06-17.

CVE-2025-5165

CVE-2025-5165 is a low-severity vulnerability in Assimp with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 4.8
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16256
Weakness: CWE-125
Affected product: Assimp
Published: 2025-05-26
Last modified: 2026-06-17

Description

A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. The manipulation of the argument pcSurface2 leads to out-of-bounds read. Attacking locally is a requirement. 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.

Frequently asked questions

What is CVE-2025-5165?: A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. The manipulation of the argument pcSurface2 leads to out-of-bounds read. Attacking locally is a requirement. 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.
How severe is CVE-2025-5165?: CVE-2025-5165 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-5165 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5165?: CVE-2025-5165 affects Assimp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-5165?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-5165 have an EU (EUVD) identifier?: Yes. CVE-2025-5165 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16256.
When was CVE-2025-5165 published?: CVE-2025-5165 was published on 2025-05-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:assimp:assimp:5.4.3:*:*:*:*:*:*:*

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