7.5

CVE-2026-67859

Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Discovery/LDS handling.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.47% 0.38
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
MITRE 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

https://github.com/open62541/open62541/blob/master/src/server/ua_services_discovery.c
https://github.com/open62541/open62541/blob/master/src/server/ua_discovery_mdns.c
https://github.com/open62541/open62541/issues/8095
https://github.com/open62541/open62541/blob/master/examples/discovery/server_lds.c
https://github.com/open62541/open62541/blob/master/src/util/ua_util.c