UBUNTU-CVE-2026-26399

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Source
https://ubuntu.com/security/CVE-2026-26399
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26399.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-26399
Upstream
Published
2026-04-20T18:16:00Z
Modified
2026-05-20T16:24:49Z
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
  • Ubuntu - medium
Summary
[none]
Details

A stack-use-after-return issue exists in the Arduino_Core_STM32 library prior to version 1.7.0. The pwm_start() function allocates a TIM_HandleTypeDef structure on the stack and passes its address to HAL initialization routines, where it is stored in a global timer handle registry. After the function returns, interrupt service routines may dereference this dangling pointer, resulting in memory corruption.

References

Affected packages

Ubuntu:16.04:LTS
arduino

Package

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

Affected ranges

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

Affected versions

2:1.*
2:1.0.5+dfsg2-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "arduino",
            "binary_version": "2:1.0.5+dfsg2-4"
        },
        {
            "binary_name": "arduino-core",
            "binary_version": "2:1.0.5+dfsg2-4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26399.json"
Ubuntu:18.04:LTS
arduino

Package

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

Affected ranges

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

Affected versions

2:1.*
2:1.0.5+dfsg2-4.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "arduino",
            "binary_version": "2:1.0.5+dfsg2-4.1"
        },
        {
            "binary_name": "arduino-core",
            "binary_version": "2:1.0.5+dfsg2-4.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26399.json"
Ubuntu:20.04:LTS
arduino

Package

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

Affected ranges

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

Affected versions

2:1.*
2:1.0.5+dfsg2-4.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "arduino",
            "binary_version": "2:1.0.5+dfsg2-4.1"
        },
        {
            "binary_name": "arduino-core",
            "binary_version": "2:1.0.5+dfsg2-4.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26399.json"
Ubuntu:22.04:LTS
arduino

Package

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

Affected ranges

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

Affected versions

2:1.*
2:1.8.15+dfsg1-1
2:1.8.16+dfsg1-1
2:1.8.18+dfsg1-1
2:1.8.19+dfsg1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "arduino",
            "binary_version": "2:1.8.19+dfsg1-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26399.json"
Ubuntu:24.04:LTS
arduino

Package

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

Affected ranges

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

Affected versions

2:1.*
2:1.8.19+dfsg1-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "arduino",
            "binary_version": "2:1.8.19+dfsg1-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26399.json"
Ubuntu:25.10
arduino

Package

Name
arduino
Purl
pkg:deb/ubuntu/arduino?arch=source&distro=questing

Affected ranges

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

Affected versions

2:1.*
2:1.8.19+dfsg1-3
2:1.8.19+dfsg1-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "arduino",
            "binary_version": "2:1.8.19+dfsg1-4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26399.json"
Ubuntu:26.04:LTS
arduino

Package

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

Affected ranges

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

Affected versions

2:1.*
2:1.8.19+dfsg1-4
2:1.8.19+dfsg1-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "arduino",
            "binary_version": "2:1.8.19+dfsg1-5"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26399.json"