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Vulnerability · Published Aug 17, 2026 · Assigned by VulDB

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

Medium 6.3

In plain English

A medium-severity heap buffer overflow in Assimp from Open Asset Import Library. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.5%top 60.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12assimpno fix listedDEBIAN-CVE-2026-19967
Debian:13assimpno fix listedDEBIAN-CVE-2026-19967
Debian:14assimpno fix listedDEBIAN-CVE-2026-19967
Ubuntu:22.04:LTSassimpno fix listedUBUNTU-CVE-2026-19967
Ubuntu:24.04:LTSassimpno fix listedUBUNTU-CVE-2026-19967
Ubuntu:26.04:LTSassimpno fix listedUBUNTU-CVE-2026-19967
Ubuntu:26.10assimpno fix listedUBUNTU-CVE-2026-19967

Affected products (as reported)

VendorProductVersions
Open Asset Import Library Assimp 17c12da

Weakness: CWE-122, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References