UBUNTU-CVE-2026-95897

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Source
https://ubuntu.com/security/CVE-2026-95897
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95897.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-95897
Upstream
Published
2026-09-23T01:16:00Z
Modified
2026-09-24T02:03:14Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L CVSS Calculator
  • 2.0 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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 Dask up to 2026.8.0. This affects the function from_npy_stack of the file dask/array/core.py of the component Loader. Such manipulation leads to deserialization. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

References

Affected packages

Ubuntu:18.04:LTS / dask

Package

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

Affected ranges

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

Affected versions

0.*
0.15.1-3
0.15.4-1
0.16.0-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-dask",
            "binary_version":  "0.16.0-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95897.json"

Ubuntu:20.04:LTS / dask

Package

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

Affected ranges

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

Affected versions

1.*
1.0.0+dfsg-2
2.*
2.8.0-0ubuntu4
2.8.1+dfsg-0.2ubuntu1
2.8.1+dfsg-0.3
2.8.1+dfsg-0.4

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-dask",
            "binary_version":  "2.8.1+dfsg-0.4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95897.json"

Ubuntu:22.04:LTS / dask

Package

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

Affected ranges

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

Affected versions

2021.*
2021.01.0+dfsg-1ubuntu1
2021.09.1+dfsg-1ubuntu1
2021.09.1+dfsg-1ubuntu2
2022.*
2022.01.0+dfsg-1
2022.01.0+dfsg-1ubuntu1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-dask",
            "binary_version":  "2022.01.0+dfsg-1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95897.json"

Ubuntu:24.04:LTS / dask

Package

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

Affected ranges

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

Affected versions

2023.*
2023.8.0+dfsg-2
2023.12.1+dfsg-2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-dask",
            "binary_version":  "2023.12.1+dfsg-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95897.json"

Ubuntu:26.04:LTS / dask

Package

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

Affected ranges

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

Affected versions

2024.*
2024.12.1+dfsg-2
2024.12.1+dfsg-2build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-dask",
            "binary_version":  "2024.12.1+dfsg-2build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95897.json"