UBUNTU-CVE-2021-26675

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Source
https://ubuntu.com/security/CVE-2021-26675
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-26675.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-26675
Upstream
Downstream
Related
Published
2021-02-09T16:15:00Z
Modified
2025-07-18T16:46:41Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A stack-based buffer overflow in dnsproxy in ConnMan before 1.39 could be used by network adjacent attackers to execute code.

References

Affected packages

Ubuntu:Pro:18.04:LTS / connman

Package

Name
connman
Purl
pkg:deb/ubuntu/connman@1.35-6ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.35-6ubuntu0.1~esm1

Affected versions

1.*

1.35-1
1.35-2
1.35-6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.35-6ubuntu0.1~esm1",
            "binary_name": "connman"
        },
        {
            "binary_version": "1.35-6ubuntu0.1~esm1",
            "binary_name": "connman-dbgsym"
        },
        {
            "binary_version": "1.35-6ubuntu0.1~esm1",
            "binary_name": "connman-dev"
        },
        {
            "binary_version": "1.35-6ubuntu0.1~esm1",
            "binary_name": "connman-doc"
        },
        {
            "binary_version": "1.35-6ubuntu0.1~esm1",
            "binary_name": "connman-vpn"
        },
        {
            "binary_version": "1.35-6ubuntu0.1~esm1",
            "binary_name": "connman-vpn-dbgsym"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:20.04:LTS / connman

Package

Name
connman
Purl
pkg:deb/ubuntu/connman@1.36-2ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.36-2ubuntu0.1

Affected versions

1.*

1.36-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.36-2ubuntu0.1",
            "binary_name": "connman"
        },
        {
            "binary_version": "1.36-2ubuntu0.1",
            "binary_name": "connman-dbgsym"
        },
        {
            "binary_version": "1.36-2ubuntu0.1",
            "binary_name": "connman-dev"
        },
        {
            "binary_version": "1.36-2ubuntu0.1",
            "binary_name": "connman-doc"
        },
        {
            "binary_version": "1.36-2ubuntu0.1",
            "binary_name": "connman-vpn"
        },
        {
            "binary_version": "1.36-2ubuntu0.1",
            "binary_name": "connman-vpn-dbgsym"
        }
    ],
    "availability": "No subscription required"
}