CVE-2026-18784
CVE-2026-18784 · o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow
This page contains facts from public vulnerability sources. Check the original advisory before updating.
A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UA_Client_readNodeClassAttribute of the file src/client/ua_client_highlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public and could be used. The project closed the issue report, stating that this is not the official way to report a security vulnerability.
CVSS 4.8 · Medium · EPSS 0.2%
- Published
- Updated
Stack: system
Affected products and versions
open62541
- Versions
- 1.5.0: Affected
- 1.5.1: Affected
- 1.5.2: Affected
- 1.5.3: Affected
- 1.5.4: Affected
- 1.5.5: Affected
No fix published
open62541 Debian:13
- Versions
- 1.4.11.1-1
- 1.4.18-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
open62541 Debian:14
- Versions
- 1.4.11.1-1
- 1.4.18-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
open62541 Ubuntu:26.10
- Versions
- 1.4.11.1-1build1
- 1.4.18-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
open62541 Ubuntu:26.04:LTS
- Versions
- 1.4.11.1-1
- 1.4.11.1-1build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published