Ubuntu Security Notice 6202-1 - David Korczynski and Adam Korczynski discovered that containerd incorrectly processed certain images with large files. An attacker could possibly use this issue to cause containerd to crash, resulting in a denial of service. It was discovered that containerd incorrectly set up supplementary groups inside a container. An attacker with direct access to the container could possibly use this issue to obtain sensitive information or execute code with higher privileges.
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