DEBIAN-CVE-2026-15690
A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/ua_client_connect.c of the component Shared Client Library. Such manipulation of the argument Server_NamespaceArray leads to null pointer dereference. The attack can be executed remotely. The attack requires a high level of complexity. The exploitation is known to be difficult. The exploit is publicly available and might be used. The project closed the issue report, stating that this is not the official way to report a security vulnerability.
DEBIAN-CVE-2026-15690
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-15690
open62541
Source reference: /affected/0/package/name
- Affected versions
- 1.4.11.1-1
Source reference:
/affected/0/versions1.4.18-1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
open62541
Source reference: /affected/1/package/name
- Affected versions
- 1.4.11.1-1
Source reference:
/affected/1/versions1.4.18-1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "open62541",
"purl": "pkg:deb/debian/open62541?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.4.11.1-1",
"1.4.18-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-15690.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "open62541",
"purl": "pkg:deb/debian/open62541?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.4.11.1-1",
"1.4.18-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-15690.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #56146 · Revision 1
- Added to Heist Feed
- Publisher date