UBUNTU-CVE-2026-19999

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Source

https://ubuntu.com/security/CVE-2026-19999

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19999.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-19999

Upstream

CVE-2026-19999

Published

2026-08-17T08:16:00Z

Modified

2026-08-19T11:01:27Z

Severity

6.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L CVSS Calculator
2.1 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

A security vulnerability has been detected in Open Asset Import Library Assimp Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ParseBoneTrafoKeys3DGSMDL7 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.

References

Affected packages

Ubuntu:16.04:LTS

assimp

Package

Name: assimp
Purl: pkg:deb/ubuntu/assimp?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.0~dfsg-4ubuntu4

3.1.1~dfsg-5

3.2~dfsg-1

3.2~dfsg-2

3.2~dfsg-3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "assimp-utils",
            "binary_version": "3.2~dfsg-3"
        },
        {
            "binary_name": "libassimp3v5",
            "binary_version": "3.2~dfsg-3"
        },
        {
            "binary_name": "python-pyassimp",
            "binary_version": "3.2~dfsg-3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19999.json"

Ubuntu:18.04:LTS

assimp

Package

Name: assimp
Purl: pkg:deb/ubuntu/assimp?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.3.1~dfsg-5

3.3.1~dfsg-5ubuntu1

3.3.1~dfsg-5+build1

4.*

4.0.1~dfsg-1~exp2

4.0.1~dfsg-1

4.1.0~dfsg-1

4.1.0~dfsg-2

4.1.0~dfsg-3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "assimp-utils",
            "binary_version": "4.1.0~dfsg-3"
        },
        {
            "binary_name": "libassimp4",
            "binary_version": "4.1.0~dfsg-3"
        },
        {
            "binary_name": "python-pyassimp",
            "binary_version": "4.1.0~dfsg-3"
        },
        {
            "binary_name": "python3-pyassimp",
            "binary_version": "4.1.0~dfsg-3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19999.json"

Ubuntu:20.04:LTS

assimp

Package

Name: assimp
Purl: pkg:deb/ubuntu/assimp?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.1.0~dfsg-5

4.1.0~dfsg-5ubuntu1

5.*

5.0.1~ds0-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "assimp-testmodels",
            "binary_version": "5.0.1~ds0-1build1"
        },
        {
            "binary_name": "assimp-utils",
            "binary_version": "5.0.1~ds0-1build1"
        },
        {
            "binary_name": "libassimp5",
            "binary_version": "5.0.1~ds0-1build1"
        },
        {
            "binary_name": "python3-pyassimp",
            "binary_version": "5.0.1~ds0-1build1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19999.json"

Ubuntu:22.04:LTS

assimp

Package

Name: assimp
Purl: pkg:deb/ubuntu/assimp?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.0.1~ds0-2

5.0.1~ds0-3ubuntu1

5.1.4~ds0-1

5.1.5~ds0-1

5.1.6~ds0-1

5.2.0~ds0-2

5.2.1~ds0-1

5.2.2~ds0-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "assimp-testmodels",
            "binary_version": "5.2.2~ds0-1"
        },
        {
            "binary_name": "assimp-utils",
            "binary_version": "5.2.2~ds0-1"
        },
        {
            "binary_name": "libassimp5",
            "binary_version": "5.2.2~ds0-1"
        },
        {
            "binary_name": "python3-pyassimp",
            "binary_version": "5.2.2~ds0-1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19999.json"

Ubuntu:24.04:LTS

assimp

Package

Name: assimp
Purl: pkg:deb/ubuntu/assimp?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.2.5~ds0-1.1build1

5.3.1+ds-1

5.3.1+ds-2

5.3.1+ds-2build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "assimp-testmodels",
            "binary_version": "5.3.1+ds-2build1"
        },
        {
            "binary_name": "assimp-utils",
            "binary_version": "5.3.1+ds-2build1"
        },
        {
            "binary_name": "libassimp5",
            "binary_version": "5.3.1+ds-2build1"
        },
        {
            "binary_name": "python3-pyassimp",
            "binary_version": "5.3.1+ds-2build1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19999.json"

Ubuntu:26.04:LTS

assimp

Package

Name: assimp
Purl: pkg:deb/ubuntu/assimp?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.4.3+ds-2

6.*

6.0.2+ds-1

6.0.3+ds-1

6.0.4+ds-1

6.0.4+ds-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "assimp-testmodels",
            "binary_version": "6.0.4+ds-1build1"
        },
        {
            "binary_name": "assimp-utils",
            "binary_version": "6.0.4+ds-1build1"
        },
        {
            "binary_name": "libassimp6",
            "binary_version": "6.0.4+ds-1build1"
        },
        {
            "binary_name": "python3-pyassimp",
            "binary_version": "6.0.4+ds-1build1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19999.json"