CVE-2026-67859: Buffer Overflow
Published Aug 4, 2026
·Updated
Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Discovery/LDS handling.
Affected Software
1 affected component
open62541 open62541=1.5.5
Event History
Aug 4, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverity
Data Sourced
via NVD·10:17 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-67859?
The severity of CVE-2026-67859 is rated as high with a score of 7.5.
2
What type of vulnerability is CVE-2026-67859?
CVE-2026-67859 is a buffer overflow vulnerability.
3
What impact can CVE-2026-67859 have on systems using open62541?
CVE-2026-67859 can allow a remote attacker to cause a denial of service on systems using open62541.
4
What versions of open62541 are affected by CVE-2026-67859?
CVE-2026-67859 affects open62541 version 1.5.5.
5
How can I mitigate CVE-2026-67859?
To mitigate CVE-2026-67859, it is recommended to update to a patched version of open62541 if available.