Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Open Asset Import Library Assimp File Compression.cpp decompressBlock heap-based overflow
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N P L L L 2.1 .0026 18.5 —
AFFECTED
Product Versions Fixed
Assimp 17c12da – —
TIMELINE
Aug 16 EXPLOIT PUBLISHED — CVE-2026-19967 (Open Asset Import Library Assimp). Public exploit reference added.
Aug 16 Reserved by VulDB
Aug 17 Published (CNA: VulDB)
Aug 18 EXPLOIT PUBLISHED — CVE-2026-19967 (Open Asset Import Library Assimp). Public exploit reference added.
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.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| August 16, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-19967 (Open Asset Import Library Assimp). Public exploit reference added. |
| August 16, 2026 | Reserved | Reserved by VulDB |
| August 17, 2026 | Published | Published (CNA: VulDB) |
| August 18, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-19967 (Open Asset Import Library Assimp). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Open Asset Import Library | Assimp | — | 17c12da | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19967 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.