UBUNTU-CVE-2026-101279

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Source
https://ubuntu.com/security/CVE-2026-101279
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101279.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-101279
Upstream
  • CVE-2026-101279
Published
2026-09-29T01:16:00Z
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 vulnerability has been detected in Trusted Domain Project OpenDMARC up to 1.4.2. This impacts an unknown function of the file libopendmarc/opendmarc_policy.c of the component DMARC Parser. The manipulation of the argument pct leads to integer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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-2026-101279.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-2026-101279.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-2026-101279.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-2026-101279.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-2026-101279.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-2026-101279.json"