Description
Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Discovery/LDS handling.
References6
- github.com/open62541/open62541/blob/master/examples/discovery/s…
- github.com/open62541/open62541/blob/master/src/server/ua_discov…
- github.com/open62541/open62541/blob/master/src/server/ua_servic…
- github.com/open62541/open62541/blob/master/src/util/ua_util.c
- github.com/open62541/open62541/issues/8095
- github.com/open62541/open62541/issues/8095
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 58 · as of 13 November 2026
- CWE
- CWE-120
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.