UBUNTU-CVE-2026-67856

See a problem?
Please try reporting it to the source first.

Source

https://ubuntu.com/security/CVE-2026-67856

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-67856.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-67856

Upstream

CVE-2026-67856

Published

2026-08-04T22:17:00Z

Modified

2026-08-06T22:15:45.975503367Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItems(Sampling), Publish, TransferSubscriptions, and DeleteSubscriptions requests

References

Affected packages

Ubuntu:26.04:LTS / open62541

Package

Name: open62541
Purl: pkg:deb/ubuntu/open62541?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.4.11.1-1

1.4.11.1-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libopen62541-1.4",
            "binary_version": "1.4.11.1-1build1"
        },
        {
            "binary_name": "libopen62541-1.4-tools",
            "binary_version": "1.4.11.1-1build1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-67856.json"