# CVE-2023-5625: Python-eventlet: patch regression for cve-2021-21419 in some red hat builds

> A regression in Red Hat builds of python-eventlet failed to apply a previous security patch, leaving systems vulnerable to denial of service attacks.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 1 Nov 2023
- **Updated:** 20 Nov 2025
- **Also known as:** GHSA-326p-894x-j8c7, OESA-2023-1768, RHSA-2023:6128, RHSA-2024:0188, RHSA-2024:0213

## What is CVE-2023-5625?

CVE-2023-5625 is a medium-severity denial of service vulnerability in Ironic content for Red Hat OpenShift Container Platform 4.12, published on 1 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A regression was introduced in the Red Hat build of python-eventlet due to a change in the patch application strategy, resulting in a patch for CVE-2021-21419 not being applied for all builds of all products.

Weakness: CWE-400 (Uncontrolled Resource Consumption), CWE-770 (Allocation of Resources Without Limits or Throttling)

## Which versions are affected by CVE-2023-5625?

It affects 5 products.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `python-eventlet` | Red Hat:openshift_ironic:4.12::el9 | All versions | 0:0.30.2-4.el9 |
| `python3-eventlet` | Red Hat:openshift_ironic:4.12::el9 | All versions | 0:0.30.2-4.el9 |
| `python-eventlet` | Red Hat:openstack:17.1::el8 | All versions | 0:0.30.2-4.el8ost |
| `python3-eventlet` | Red Hat:openstack:17.1::el8 | All versions | 0:0.30.2-4.el8ost |
| `python-eventlet` | Red Hat:openstack:17.1::el9 | All versions | 0:0.30.2-4.el9ost |
| `python3-eventlet` | Red Hat:openstack:17.1::el9 | All versions | 0:0.30.2-4.el9ost |

Products: Redhat Openshift Container Platform for Arm64, Redhat Openshift Container Platform for Linuxone, Redhat Openshift Container Platform for Power, Redhat Openshift Container Platform Ibm Z Systems, Redhat Openstack Platform.

## How do I fix CVE-2023-5625?

Apply the vendor's patch.

## Is CVE-2023-5625 being exploited?

There is no known exploitation of CVE-2023-5625 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5625 and fix it if it is affected.

What it is: CVE-2023-5625 is a medium-severity denial of service vulnerability in Ironic content for Red Hat OpenShift Container Platform 4.12, published on 1 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-5625 in the wild and no public exploit code.

Affected product: Ironic content for Red Hat OpenShift Container Platform 4.12. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-5625/ (Markdown: https://insights.sbomify.com/CVE-2023-5625/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5625
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5625
- OSV: https://osv.dev/vulnerability/CVE-2023-5625

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5625/
Summaries are generated and may contain mistakes; the official description above is the record.