UBUNTU-CVE-2026-9365

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Source
https://ubuntu.com/security/CVE-2026-9365
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-9365.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-9365
Upstream
  • CVE-2026-9365
Published
2026-05-24T09:16:00Z
Modified
2026-05-27T19:09:39Z
Severity
  • 5.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 2.9 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability has been found in Ettercap up to 0.8.3. The affected element is the function FUNCDECODER of the file src/dissectors/ecgg.c of the component GG Dissector. The manipulation of the argument gg leads to heap-based buffer overflow. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 0.8.4 is sufficient to fix this issue. The identifier of the patch is feeae6fa366e01a3dd9f1857ec6aae847b2ae00c. It is suggested to upgrade the affected component.

References

Affected packages

Ubuntu:16.04:LTS
ettercap

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.8.2-2
1:0.8.2-2build1
1:0.8.2-2ubuntu1.16.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:0.8.2-2ubuntu1.16.04.1",
            "binary_name": "ettercap-common"
        },
        {
            "binary_version": "1:0.8.2-2ubuntu1.16.04.1",
            "binary_name": "ettercap-graphical"
        },
        {
            "binary_version": "1:0.8.2-2ubuntu1.16.04.1",
            "binary_name": "ettercap-text-only"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-9365.json"
Ubuntu:18.04:LTS
ettercap

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.8.2-10build1
1:0.8.2-10build2
1:0.8.2-10build3
1:0.8.2-10build4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:0.8.2-10build4",
            "binary_name": "ettercap-common"
        },
        {
            "binary_version": "1:0.8.2-10build4",
            "binary_name": "ettercap-graphical"
        },
        {
            "binary_version": "1:0.8.2-10build4",
            "binary_name": "ettercap-text-only"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-9365.json"
Ubuntu:20.04:LTS
ettercap

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.8.2-10build6
1:0.8.3-1ubuntu1
1:0.8.3-2~build1
1:0.8.3-2
1:0.8.3-3
1:0.8.3-5
1:0.8.3-6
1:0.8.3-7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:0.8.3-7",
            "binary_name": "ettercap-common"
        },
        {
            "binary_version": "1:0.8.3-7",
            "binary_name": "ettercap-graphical"
        },
        {
            "binary_version": "1:0.8.3-7",
            "binary_name": "ettercap-text-only"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-9365.json"
Ubuntu:22.04:LTS
ettercap

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.8.3.1-3
1:0.8.3.1-4
1:0.8.3.1-4build1
1:0.8.3.1-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:0.8.3.1-5",
            "binary_name": "ettercap-common"
        },
        {
            "binary_version": "1:0.8.3.1-5",
            "binary_name": "ettercap-graphical"
        },
        {
            "binary_version": "1:0.8.3.1-5",
            "binary_name": "ettercap-text-only"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-9365.json"
Ubuntu:24.04:LTS
ettercap

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.8.3.1-12
1:0.8.3.1-13
1:0.8.3.1-13build2
1:0.8.3.1-13build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:0.8.3.1-13build3",
            "binary_name": "ettercap-common"
        },
        {
            "binary_version": "1:0.8.3.1-13build3",
            "binary_name": "ettercap-graphical"
        },
        {
            "binary_version": "1:0.8.3.1-13build3",
            "binary_name": "ettercap-text-only"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-9365.json"
Ubuntu:25.10
ettercap

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.8.3.1-14
1:0.8.3.1-15

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:0.8.3.1-15",
            "binary_name": "ettercap-common"
        },
        {
            "binary_version": "1:0.8.3.1-15",
            "binary_name": "ettercap-graphical"
        },
        {
            "binary_version": "1:0.8.3.1-15",
            "binary_name": "ettercap-text-only"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-9365.json"
Ubuntu:26.04:LTS
ettercap

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.8.3.1-15
1:0.8.3.1-15build1
1:0.8.3.1-16
1:0.8.4-2
1:0.8.4-4
1:0.8.4-5
1:0.8.4.1-1
1:0.8.4.1-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:0.8.4.1-2",
            "binary_name": "ettercap-common"
        },
        {
            "binary_version": "1:0.8.4.1-2",
            "binary_name": "ettercap-graphical"
        },
        {
            "binary_version": "1:0.8.4.1-2",
            "binary_name": "ettercap-text-only"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-9365.json"