Is CVE-2026-67551 being exploited?

No public exploit is currently tracked.

Back

CVE-2026-67551

Description

pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue.