CVE-2025-4953

Publication date 16 September 2025

Last updated 24 September 2025


Ubuntu priority

Cvss 3 Severity Score

7.4 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
libpod 25.10 questing Not in release
25.04 plucky Not in release
24.04 LTS noble
Needs evaluation
22.04 LTS jammy
Needs evaluation
podman 25.10 questing
Needs evaluation
25.04 plucky Ignored end of life, was needs-triage
24.04 LTS noble Not in release
22.04 LTS jammy Not in release

Severity score breakdown

Parameter Value
Base score 7.4 · High
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N