{"id":"UBUNTU-CVE-2025-4953","details":"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.","modified":"2026-03-25T19:50:09.597485Z","published":"2025-09-16T15:15:00Z","upstream":["CVE-2025-4953"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-4953"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-4953"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2367235"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-4953"}],"affected":[{"package":{"name":"libpod","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/libpod@3.4.4+ds1-1ubuntu1.22.04.3+esm3?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.1+ds1-2ubuntu3","3.4.4+ds1-1ubuntu1","3.4.4+ds1-1ubuntu1.22.04.1","3.4.4+ds1-1ubuntu1.22.04.2","3.4.4+ds1-1ubuntu1.22.04.3","3.4.4+ds1-1ubuntu1.22.04.3+esm1","3.4.4+ds1-1ubuntu1.22.04.3+esm2","3.4.4+ds1-1ubuntu1.22.04.3+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"podman","binary_version":"3.4.4+ds1-1ubuntu1.22.04.3+esm3"},{"binary_name":"podman-docker","binary_version":"3.4.4+ds1-1ubuntu1.22.04.3+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-4953.json"}},{"package":{"name":"libpod","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/libpod@4.9.3+ds1-1ubuntu0.2+esm3?arch=source&distro=esm-apps/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.1+ds1-8","4.7.2+ds1-2","4.7.2+ds1-2build1","4.8.3+ds1-2","4.9.0+ds1-2","4.9.3+ds1-1","4.9.3+ds1-1build1","4.9.3+ds1-1build2","4.9.3+ds1-1ubuntu0.1","4.9.3+ds1-1ubuntu0.2","4.9.3+ds1-1ubuntu0.2+esm1","4.9.3+ds1-1ubuntu0.2+esm2","4.9.3+ds1-1ubuntu0.2+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"podman","binary_version":"4.9.3+ds1-1ubuntu0.2+esm3"},{"binary_name":"podman-docker","binary_version":"4.9.3+ds1-1ubuntu0.2+esm3"},{"binary_name":"podman-remote","binary_version":"4.9.3+ds1-1ubuntu0.2+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-4953.json"}},{"package":{"name":"podman","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/podman@5.4.2+ds1-2?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.1+ds1-1","5.4.2+ds1-1","5.4.2+ds1-2"],"ecosystem_specific":{"binaries":[{"binary_name":"podman","binary_version":"5.4.2+ds1-2"},{"binary_name":"podman-docker","binary_version":"5.4.2+ds1-2"},{"binary_name":"podman-remote","binary_version":"5.4.2+ds1-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-4953.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}