CVE-2026-63362

A flaw was found in open62541. An unsigned integer underflow in the PubSub signature verification path may allow a remote attacker to cause a denial of service by sending a specially crafted User Datagram Protocol UDP packet. This vulnerability could make the affected system unavailable to...

UBUNTU-CVE-2026-63362

An unsigned integer underflow in the PubSub signature verification path in open62541 may allow a remote attacker to cause a denial of service via a crafted UDP packet...

PT-2026-66618

Name of the Vulnerable Software and Affected Versions open62541 affected versions not specified Description An unsigned integer underflow occurs in the PubSub signature verification path. This flaw allows a remote attacker to trigger a denial of service by sending a specially crafted UDP packet...