UBUNTU-CVE-2026-63035

Source
https://ubuntu.com/security/CVE-2026-63035
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-63035.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-63035
Upstream
Published
2026-07-30T23:16:00Z
Modified
2026-08-06T03:10:24Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
  • 7.2 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A heap use-after-free vulnerability in the TransferSubscriptions service in open62541 may allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code.

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-2026-63035.json"