CVE-2025-4953

Name	CVE-2025-4953
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libpod (PTS)	bullseye	3.0.1+dfsg1-3+deb11u5	vulnerable
	bookworm	4.3.1+ds1-8+deb12u1	vulnerable
podman (PTS)	trixie	5.4.2+ds1-2	vulnerable
	forky, sid	5.6.2+ds1-3	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libpod	source	(unstable)	(unfixed)
podman	source	(unstable)	(unfixed)

Notes

[trixie] - podman <no-dsa> (Minor issue)
[bookworm] - libpod <no-dsa> (Minor issue)
[bullseye] - libpod <postponed> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=2367235
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