Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2024:8690
- https://access.redhat.com/errata/RHSA-2025:15904
- https://access.redhat.com/errata/RHSA-2025:16724
- https://access.redhat.com/errata/RHSA-2025:16729
- https://access.redhat.com/errata/RHSA-2025:17669
- https://access.redhat.com/errata/RHSA-2025:22265
- https://access.redhat.com/errata/RHSA-2025:22275
- https://access.redhat.com/errata/RHSA-2025:22695
- https://access.redhat.com/errata/RHSA-2025:22724
- https://access.redhat.com/errata/RHSA-2025:22732
- https://access.redhat.com/errata/RHSA-2025:23113
- https://access.redhat.com/errata/RHSA-2025:2703
- https://access.redhat.com/errata/RHSA-2026:0316
- https://access.redhat.com/security/cve/CVE-2025-4953
- https://bugzilla.redhat.com/show_bug.cgi?id=2367235
FAQ
What is CVE-2025-4953?
CVE-2025-4953 is a vulnerability with a CVSS score of 7.4 (HIGH). 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 contain...
How severe is CVE-2025-4953?
CVE-2025-4953 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-4953?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.