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Fencer Vulns
medium 4.3

CVE-2026-19968 json

Open Asset Import Library Assimp 3DGS MDL7 Model LWOLoader.h ReadFaces_3DGS_MDL7 heap-based overflow

published 2026-08-17 2 mo ago modified 2026-08-20 2 mo ago also EUVD-2026-60016

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

A weakness has been identified in Open Asset Import Library Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ReadFaces_3DGS_MDL7 in the library code/AssetLib/LWO/LWOLoader.h of the component 3DGS MDL7 Model Parser. Executing a manipulation can lead to heap-based buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. This patch is called ee77bb09a42a49843ac85ef64c14d2328b251df1. Applying a patch is advised to resolve this issue.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-19968 updated cvss 4.3

assimp: Assimp: Denial of service via heap-based buffer overflow in 3DGS MDL7 Model Parser

  • Red Hat Enterprise Linux 9 qt5-qt3d, qt5-qt3d-examples Red Hat Enterprise Linux 10 qt6-qtquick3d
    affected: workaround, no fix available “To reduce the risk of exploitation, avoid processing untrusted 3DGS MDL7 model files with applications that use the Assimp library. Limiting the handling of such files to trusted sources is advised.”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/user-attachments/files/27425090/poc.zip referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CNA 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CNA 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C
CNA 4.0 2.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CNA 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • Open Asset Import Library Assimp

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.