This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-63362 →
DEBIAN-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...
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:13
open62541
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
open62541
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- advisory security-tracker.debian.org