What’s Vulnerable › Vulnerabilities

CVE-2026-19967: Open Asset Import Library Assimp File Compression.cpp decompressBlock heap-based overflow

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-17 · updated 2026-08-20
• Weakness: CWE-119

Description

A security flaw has been discovered in Open Asset Import Library Assimp 17c12da. Impacted is the function Assimp::Compression::decompressBlock of the file code/Common/Compression.cpp of the component File Parser. Performing a manipulation results in heap-based buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• Open Asset Import Library Assimp: 17c12da

References

• https://github.com/assimp/assimp/issues/6624
• https://github.com/user-attachments/files/27237535/poc.zip
• https://vuldb.com/cve/CVE-2026-19967
• https://vuldb.com/submit/873127
• https://vuldb.com/vuln/391144
• https://vuldb.com/vuln/391144/cti

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