UBUNTU-CVE-2026-101014

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Source
https://ubuntu.com/security/CVE-2026-101014
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101014.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-101014
Upstream
Published
2026-09-29T00:00:00Z
Modified
2026-09-29T23:41:42Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_util_cleanup in the library libopendmarc/opendmarc_util.c of the component DMARC Record Parser. Performing a manipulation results in off-by-one. The attack may be initiated remotely. The exploit is now public and may be used. The patch is named b3b1da9264bc80324094a27c71e7369bdedc62ae. To fix this issue, it is recommended to deploy a patch.

References

Affected packages

Ubuntu:18.04:LTS
opendmarc

Package

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

Affected ranges

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

Affected versions

1.*
1.3.2-2
1.3.2-3
1.3.2-3ubuntu0.1
1.3.2-3ubuntu0.2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendmarc2",
            "binary_version":  "1.3.2-3ubuntu0.2"
        },
        {
            "binary_name":  "opendmarc",
            "binary_version":  "1.3.2-3ubuntu0.2"
        },
        {
            "binary_name":  "rddmarc",
            "binary_version":  "1.3.2-3ubuntu0.2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101014.json"
Ubuntu:20.04:LTS
opendmarc

Package

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

Affected ranges

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

Affected versions

1.*
1.3.2-6
1.3.2-7
1.3.2-7ubuntu0.1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendmarc2",
            "binary_version":  "1.3.2-7ubuntu0.1"
        },
        {
            "binary_name":  "opendmarc",
            "binary_version":  "1.3.2-7ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101014.json"
Ubuntu:22.04:LTS
opendmarc

Package

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

Affected ranges

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

Affected versions

1.*
1.4.0~beta1+dfsg-6
1.4.1.1-1
1.4.1.1-2
1.4.2-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendmarc2",
            "binary_version":  "1.4.2-1"
        },
        {
            "binary_name":  "opendmarc",
            "binary_version":  "1.4.2-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101014.json"
Ubuntu:24.04:LTS
opendmarc

Package

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

Affected ranges

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

Affected versions

1.*
1.4.2-3
1.4.2-4
1.4.2-4.1build1
1.4.2-4.1build2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendmarc2t64",
            "binary_version":  "1.4.2-4.1build2"
        },
        {
            "binary_name":  "opendmarc",
            "binary_version":  "1.4.2-4.1build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101014.json"
Ubuntu:26.04:LTS
opendmarc

Package

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

Affected ranges

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

Affected versions

1.*
1.4.2-5.1
1.4.2-5.1build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendmarc2t64",
            "binary_version":  "1.4.2-5.1build1"
        },
        {
            "binary_name":  "opendmarc",
            "binary_version":  "1.4.2-5.1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101014.json"
Ubuntu:Pro:16.04:LTS
opendmarc

Package

Name
opendmarc
Purl
pkg:deb/ubuntu/opendmarc?arch=source&distro=esm-apps%2Fxenial

Affected ranges

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

Affected versions

1.*
1.3.1+dfsg-2
1.3.1+dfsg-3
1.3.1+dfsg-3ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libopendmarc2",
            "binary_version":  "1.3.1+dfsg-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "opendmarc",
            "binary_version":  "1.3.1+dfsg-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "rddmarc",
            "binary_version":  "1.3.1+dfsg-3ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101014.json"