UBUNTU-CVE-2026-101277

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Source
https://ubuntu.com/security/CVE-2026-101277
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101277.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-101277
Upstream
  • CVE-2026-101277
Published
2026-09-29T00:17:00Z
Modified
2026-09-30T21:41:53Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CVSS Calculator
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A security flaw has been discovered in Trusted Domain Project OpenDKIM up to 2.11.0. The impacted element is the function dkim_process_set of the file dkim.c of the component Tag Tokenizer. Performing a manipulation results in use of less trusted source. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

References

Affected packages

Ubuntu:16.04:LTS
opendkim

Package

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

Affected ranges

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

Affected versions

2.*
2.10.3-3build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendkim10",
            "binary_version":  "2.10.3-3build1"
        },
        {
            "binary_name":  "librbl1",
            "binary_version":  "2.10.3-3build1"
        },
        {
            "binary_name":  "libvbr2",
            "binary_version":  "2.10.3-3build1"
        },
        {
            "binary_name":  "opendkim",
            "binary_version":  "2.10.3-3build1"
        },
        {
            "binary_name":  "opendkim-tools",
            "binary_version":  "2.10.3-3build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101277.json"
Ubuntu:18.04:LTS
opendkim

Package

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

Affected ranges

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

Affected versions

2.*
2.11.0~alpha-10
2.11.0~alpha-11
2.11.0~alpha-11build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendkim11",
            "binary_version":  "2.11.0~alpha-11build1"
        },
        {
            "binary_name":  "librbl1",
            "binary_version":  "2.11.0~alpha-11build1"
        },
        {
            "binary_name":  "libvbr2",
            "binary_version":  "2.11.0~alpha-11build1"
        },
        {
            "binary_name":  "opendkim",
            "binary_version":  "2.11.0~alpha-11build1"
        },
        {
            "binary_name":  "opendkim-tools",
            "binary_version":  "2.11.0~alpha-11build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101277.json"
Ubuntu:20.04:LTS
opendkim

Package

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

Affected ranges

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

Affected versions

2.*
2.11.0~alpha-12
2.11.0~alpha-13
2.11.0~alpha-14
2.11.0~beta2-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendkim11",
            "binary_version":  "2.11.0~beta2-1"
        },
        {
            "binary_name":  "librbl1",
            "binary_version":  "2.11.0~beta2-1"
        },
        {
            "binary_name":  "libvbr2",
            "binary_version":  "2.11.0~beta2-1"
        },
        {
            "binary_name":  "opendkim",
            "binary_version":  "2.11.0~beta2-1"
        },
        {
            "binary_name":  "opendkim-tools",
            "binary_version":  "2.11.0~beta2-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101277.json"
Ubuntu:22.04:LTS
opendkim

Package

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

Affected ranges

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

Affected versions

2.*
2.11.0~beta2-4build1
2.11.0~beta2-5
2.11.0~beta2-6

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendkim11",
            "binary_version":  "2.11.0~beta2-6"
        },
        {
            "binary_name":  "librbl1",
            "binary_version":  "2.11.0~beta2-6"
        },
        {
            "binary_name":  "libvbr2",
            "binary_version":  "2.11.0~beta2-6"
        },
        {
            "binary_name":  "miltertest",
            "binary_version":  "2.11.0~beta2-6"
        },
        {
            "binary_name":  "opendkim",
            "binary_version":  "2.11.0~beta2-6"
        },
        {
            "binary_name":  "opendkim-tools",
            "binary_version":  "2.11.0~beta2-6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101277.json"
Ubuntu:24.04:LTS
opendkim

Package

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

Affected ranges

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

Affected versions

2.*
2.11.0~beta2-8
2.11.0~beta2-9
2.11.0~beta2-9build3
2.11.0~beta2-9build4

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendkim11",
            "binary_version":  "2.11.0~beta2-9build4"
        },
        {
            "binary_name":  "librbl1",
            "binary_version":  "2.11.0~beta2-9build4"
        },
        {
            "binary_name":  "libvbr2",
            "binary_version":  "2.11.0~beta2-9build4"
        },
        {
            "binary_name":  "miltertest",
            "binary_version":  "2.11.0~beta2-9build4"
        },
        {
            "binary_name":  "opendkim",
            "binary_version":  "2.11.0~beta2-9build4"
        },
        {
            "binary_name":  "opendkim-tools",
            "binary_version":  "2.11.0~beta2-9build4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101277.json"
Ubuntu:26.04:LTS
opendkim

Package

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

Affected ranges

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

Affected versions

2.*
2.11.0~beta2-9.2
2.11.0~beta2-9.2build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendkim11",
            "binary_version":  "2.11.0~beta2-9.2build1"
        },
        {
            "binary_name":  "librbl1",
            "binary_version":  "2.11.0~beta2-9.2build1"
        },
        {
            "binary_name":  "libvbr2",
            "binary_version":  "2.11.0~beta2-9.2build1"
        },
        {
            "binary_name":  "miltertest",
            "binary_version":  "2.11.0~beta2-9.2build1"
        },
        {
            "binary_name":  "opendkim",
            "binary_version":  "2.11.0~beta2-9.2build1"
        },
        {
            "binary_name":  "opendkim-tools",
            "binary_version":  "2.11.0~beta2-9.2build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101277.json"