UBUNTU-CVE-2025-2756

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2025-2756
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-2756.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-2756
Upstream
Published
2025-03-25T10:15:00Z
Modified
2026-01-20T18:37:05.344156Z
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
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • 5.3 (Medium) 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 CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::AC3DImporter::ConvertObjectSection of the file code/AssetLib/AC/ACLoader.cpp of the component AC3D File Handler. The manipulation of the argument tmp leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

References

Affected packages

Ubuntu:16.04:LTS

assimp

Package

Name
assimp
Purl
pkg:deb/ubuntu/assimp@3.2~dfsg-3?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": "libassimp-dev",
            "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/2025/UBUNTU-CVE-2025-2756.json"

Ubuntu:18.04:LTS

assimp

Package

Name
assimp
Purl
pkg:deb/ubuntu/assimp@4.1.0~dfsg-3?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": "libassimp-dev",
            "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/2025/UBUNTU-CVE-2025-2756.json"

Ubuntu:20.04:LTS

assimp

Package

Name
assimp
Purl
pkg:deb/ubuntu/assimp@5.0.1~ds0-1build1?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": "libassimp-dev",
            "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/2025/UBUNTU-CVE-2025-2756.json"

Ubuntu:22.04:LTS

assimp

Package

Name
assimp
Purl
pkg:deb/ubuntu/assimp@5.2.2~ds0-1?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": "libassimp-dev",
            "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/2025/UBUNTU-CVE-2025-2756.json"

Ubuntu:24.04:LTS

assimp

Package

Name
assimp
Purl
pkg:deb/ubuntu/assimp@5.3.1+ds-2build1?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": "libassimp-dev",
            "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/2025/UBUNTU-CVE-2025-2756.json"

Ubuntu:25.10

assimp

Package

Name
assimp
Purl
pkg:deb/ubuntu/assimp@5.4.3+ds-2?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.4.3+ds-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "assimp-testmodels",
            "binary_version": "5.4.3+ds-2"
        },
        {
            "binary_name": "assimp-utils",
            "binary_version": "5.4.3+ds-2"
        },
        {
            "binary_name": "libassimp-dev",
            "binary_version": "5.4.3+ds-2"
        },
        {
            "binary_name": "libassimp5",
            "binary_version": "5.4.3+ds-2"
        },
        {
            "binary_name": "python3-pyassimp",
            "binary_version": "5.4.3+ds-2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-2756.json"