CVE catalog

CVE-2026-19999

Severity: Medium · CVSS 5.6CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H
Published: Aug 17, 2026, 7:30:12 AM UTC
Updated: Aug 17, 2026, 8:16:59 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.27% · Oct 25, 2026

A security vulnerability has been detected in Open Asset Import Library Assimp Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component 3DGS MDL7 Bone Transformation Key Parser. The manipulation of the argument transmatrix_count/pcBoneTransforms leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is 50d767984e78d51b53e2020fdf0967fd624bc377. It is recommended to apply a patch to fix this issue.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	assimp	sid	`6.0.5+ds-1`	vulnerable
Debian	assimp	forky	`6.0.5+ds-1`	vulnerable
Debian	assimp	trixie	`5.4.3+ds-2`	vulnerable
Debian	assimp	bookworm	`5.2.5~ds0-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	assimp	source	sid	`(unfixed)`	not yet assigned	Not reported	[1145890]
Debian	assimp	source	forky	`(unfixed)`	not yet assigned	Not reported	[1145890]
Debian	assimp	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1145890]
Debian	assimp	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1145890]

[Debian bug #1145890]

Notes

[trixie] assimp: Minor issue [bookworm] assimp: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[assimp-testmodels]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
[assimp-utils]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1+b1 · amd64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1+b1 · arm64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
[libassimp5]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1+b1 · amd64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1+b1 · arm64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
[libassimp-dev]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1+b1 · amd64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1+b1 · arm64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
[libassimp-doc]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
[python3-pyassimp]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12

[Debian 13 (Trixie)]

[assimp-testmodels]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13
[assimp-utils]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · amd64 · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · arm64 · trixie
  Affected
  nvd · assimp · debian · 13
[libassimp5]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · amd64 · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · arm64 · trixie
  Affected
  nvd · assimp · debian · 13
[libassimp-dev]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · amd64 · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · arm64 · trixie
  Affected
  nvd · assimp · debian · 13
[libassimp-doc]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13
[python3-pyassimp]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13

Observed: Oct 23, 2026, 9:39:11 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]