This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-67870 →
DEBIAN-CVE-2026-67870
In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local ExpandedNodeId targets. A remot...
Original description
The description as published by the source.
In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local ExpandedNodeId targets. A remote attacker can send a crafted AddReferencesRequest with an empty targetServerUri and a non-zero targetNodeId.serverIndex, causing the target node pointer to remain NULL while execution continues.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:13
open62541
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
open62541
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- advisory security-tracker.debian.org