UBUNTU-CVE-2026-38819

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Source
https://ubuntu.com/security/CVE-2026-38819
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-38819.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-38819
Upstream
Published
2026-08-28T02:16:00Z
Modified
2026-09-02T16:15:05Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.

References

Affected packages

Ubuntu:Pro:24.04:LTS / opennds

Package

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

Affected ranges

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

Affected versions

9.*
9.10.0-1
10.*
10.2.0+dfsg-1
10.2.0+dfsg-1build1
10.2.0+dfsg-1build2
10.2.0+dfsg-1ubuntu0.24.04.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "opennds",
            "binary_version": "10.2.0+dfsg-1ubuntu0.24.04.1~esm1"
        },
        {
            "binary_name": "opennds-daemon",
            "binary_version": "10.2.0+dfsg-1ubuntu0.24.04.1~esm1"
        },
        {
            "binary_name": "opennds-daemon-common",
            "binary_version": "10.2.0+dfsg-1ubuntu0.24.04.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-38819.json"

Ubuntu:26.04:LTS / opennds

Package

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

Affected ranges

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

Affected versions

10.*
10.3.1+dfsg-1
10.3.1+dfsg-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "opennds",
            "binary_version": "10.3.1+dfsg-1build1"
        },
        {
            "binary_name": "opennds-daemon",
            "binary_version": "10.3.1+dfsg-1build1"
        },
        {
            "binary_name": "opennds-daemon-common",
            "binary_version": "10.3.1+dfsg-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-38819.json"