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GHSA-m68q-4hqr-mc6f

Podman Creates Temporary File with Insecure Permissions

Source: GitHub Advisory Database (reviewed) High CVE-2025-4953

Packages

EcosystemPackageAffectedFixed in
Go github.com/containers/podman/v5 <= 5.5.0 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

A flaw was found in Podman. In a Containerfile or Podman, data written to RUN --mount=type=bind mounts during the podman build is not discarded. This issue can lead to files created within the container appearing in the temporary build context directory on the host, leaving the created files accessible.

References

External links from the advisory. They lead to third-party sites.