CVE-2026-67862

ANALYSIS PENDING

open62541 1.5.5 - Denial of Service via Buffer Overflow in High-Level Attribute Reading Logic

Title source: llm

Description

open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/ua_client_highlevel.c. This allows a remote attacker to cause a denial of service.

References (2)

Core 2

Core References

https://github.com/open62541/open62541/issues/8139

https://github.com/open62541/open62541/blob/v1.5.5/src/client/ua_client_highlevel.c

View Writeup ZIP pw:eip

Scores

EPSS 0.0033

EPSS Percentile 25.7%

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

Status published

Published Aug 04, 2026

Tracked Since Aug 05, 2026