PT-2025-16200 · Assimp+2 · Assimp+2

Chen Lihai + 1 · Published 2025-01-01 · Updated 2026-02-06 · CVE-2025-3548

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions: Open Asset Import Library Assimp versions up to 5.4.3

Description: A critical issue has been found in the Open Asset Import Library Assimp, affecting the function aiString::Set in the library include/assimp/types.h of the component File Handler. This issue leads to a heap-based buffer overflow. The attack can be launched on the local host.

Recommendations: For versions up to 5.4.3, apply a patch to fix this issue. As a temporary workaround, consider restricting the use of the aiString::Set function in the File Handler component until a patch is available.

Exploit

Fix

DoS

Buffer Overflow

Heap Based Buffer Overflow

Weakness Enumeration

CWE-119

CWE-122

Related Identifiers

BDU:2025-07019

CVE-2025-3548

OESA-2026-1328

OESA-2026-1329

OESA-2026-1330

OESA-2026-1331

OPENSUSE-SU-2025:15209-1

OPENSUSE-SU-2026:20781-1

SUSE-SU-2026:21821-1

Affected Products

Assimp

Debian

Red Os

References · 46

• 🔥 https://github.com/assimp/assimp/issues/6068 · Exploit
• 🔥❌ https://github.com/user-attachments/files/19580584/aiString_Set-hbo.zip · Exploit, Deleted
• https://github.com/assimp/assimp/pull/6073 · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2025:15209-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-3548 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-2754 · Security Note
• https://osv.dev/vulnerability/OESA-2026-1329 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-3548 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-3548 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-3548 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-1328 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-3548 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2025-3548 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-5165 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-5200 · Security Note