CVE-2023-33958: Notaryproject Notation-Go

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

notation is a CLI tool to sign and verify OCI artifacts and container images. An attacker who has compromised a registry and added a high number of signatures to an artifact can cause denial of service of services on the machine, if a user runs notation verify command on the same machine. The problem has been fixed in the release v1.0.0-rc.6. Users should upgrade their notation packages to v1.0.0-rc.6 or above. Users unable to upgrade may restrict container registries to a set of secure and trusted container registries.

Affected products

• Notaryproject Notation-Go: before 1.0.0 (fixed in 1.0.0); version 1.0.0 only

Published 2023-06-06. Last modified 2026-06-17.