UBUNTU-CVE-2026-67862

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Source
https://ubuntu.com/security/CVE-2026-67862
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-67862.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-67862
Upstream
  • CVE-2026-67862
Published
2026-08-04T22:17:00Z
Modified
2026-08-06T22:15:44Z
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

open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/ua_client_highlevel.c. This allows a remote attacker to cause a denial of service.

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
0 Unknown 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-2026-67862.json"