UBUNTU-CVE-2021-26676

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Source
https://ubuntu.com/security/CVE-2021-26676
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-26676.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-26676
Upstream
Downstream
Related
Published
2021-02-09T16:15:00Z
Modified
2025-09-08T16:47:00Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.

References

Affected packages

Ubuntu:Pro:16.04:LTS / connman

Package

Name
connman
Purl
pkg:deb/ubuntu/connman@1.21-1.2+deb8u1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.21-1.2+deb8u1ubuntu0.1~esm1

Affected versions

1.*

1.21-1.2
1.21-1.2build1
1.21-1.2build2
1.21-1.2+deb8u1build0.16.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "connman",
            "binary_version": "1.21-1.2+deb8u1ubuntu0.1~esm1"
        },
        {
            "binary_name": "connman-dev",
            "binary_version": "1.21-1.2+deb8u1ubuntu0.1~esm1"
        },
        {
            "binary_name": "connman-vpn",
            "binary_version": "1.21-1.2+deb8u1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

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_name": "connman",
            "binary_version": "1.35-6ubuntu0.1~esm1"
        },
        {
            "binary_name": "connman-dev",
            "binary_version": "1.35-6ubuntu0.1~esm1"
        },
        {
            "binary_name": "connman-vpn",
            "binary_version": "1.35-6ubuntu0.1~esm1"
        }
    ],
    "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_name": "connman",
            "binary_version": "1.36-2ubuntu0.1"
        },
        {
            "binary_name": "connman-dev",
            "binary_version": "1.36-2ubuntu0.1"
        },
        {
            "binary_name": "connman-vpn",
            "binary_version": "1.36-2ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}