UBUNTU-CVE-2026-82591

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Source

https://ubuntu.com/security/CVE-2026-82591

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82591.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-82591

Upstream

CVE-2026-82591

Published

2026-08-31T00:00:00Z

Modified

2026-08-31T22:16:02.920037568Z

Severity

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

Summary

[none]

Details

A security vulnerability has been detected in Open Asset Import Library Assimp up to 6.0.2. The impacted element is the function MD5Importer::MakeDataUnique of the file code/AssetLib/MD5/MD5Loader.cpp. The manipulation of the argument iNewIndex leads to heap-based buffer overflow. The attack can only be performed from a local environment. The identifier of the patch is bf9dabb617c46e5133dac65cca6bff177917afcb. Applying a patch is the recommended action 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_version": "3.2~dfsg-3",
            "binary_name": "assimp-utils"
        },
        {
            "binary_version": "3.2~dfsg-3",
            "binary_name": "libassimp3v5"
        },
        {
            "binary_version": "3.2~dfsg-3",
            "binary_name": "python-pyassimp"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82591.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_version": "4.1.0~dfsg-3",
            "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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82591.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_version": "5.0.1~ds0-1build1",
            "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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82591.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_version": "5.2.2~ds0-1",
            "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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82591.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_version": "5.3.1+ds-2build1",
            "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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82591.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_version": "6.0.4+ds-1build1",
            "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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82591.json"