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Fencer Vulns
medium 5.3

CVE-2023-5625 json

Python-eventlet: patch regression for cve-2021-21419 in some red hat builds

published 2023-11-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-57918

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

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.

Patch / fix

  • Red Hat Ironic content for Red Hat OpenShift Container Platform 4.12 0:0.30.2-4.el9
  • Red Hat Red Hat OpenStack Platform 17.1 for RHEL 8 0:0.30.2-4.el8ost
  • Red Hat Red Hat OpenStack Platform 17.1 for RHEL 9 0:0.30.2-4.el9ost
  • python-eventlet openstack 17.1 0.30.2-4.el9ost
  • python3-eventlet openstack 17.1 0.30.2-4.el9ost
  • python-eventlet openstack 17.1 0.30.2-4.el8ost
  • python3-eventlet openstack 17.1 0.30.2-4.el8ost
  • python-eventlet openshift ironic 4.12 0.30.2-4.el9
  • python3-eventlet openshift ironic 4.12 0.30.2-4.el9

red hat advisories RHSA-2024:0213RHSA-2024:0188RHSA-2023:6128

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-5625 updated cvss 5.3

python-eventlet: patch regression for CVE-2021-21419 in some Red Hat builds

  • Red Hat Ironic content for Red Hat OpenShift Container Platform 4.12 python-eventlet 0.30.2-4.el9, python3-eventlet 0.30.2-4.el9
    fixed: vendor fix RHSA-2023:6128
  • Red Hat OpenStack Platform 17.1 python-eventlet 0.30.2-4.el8ost, python-eventlet 0.30.2-4.el9ost, python3-eventlet 0.30.2-4.el8ost, python3-eventlet 0.30.2-4.el9ost
    fixed: vendor fix RHSA-2024:0188
  • Red Hat OpenShift Container Platform 4.12 cri-tools 1.25.0-2.1.el8, cri-tools 1.25.0-2.1.el9, conmon 2.1.2-6.1.rhaos4.12.el9, podman 4.2.0-7.1.rhaos4.12.el9, skopeo 1.9.4-3.1.rhaos4.12.el9, butane 0.16.0-2.1.rhaos4.12.el8, +34 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Red Hat Ironic content for Red Hat OpenShift Container Platform 4.12
  • Red Hat Red Hat OpenStack Platform 17.1 for RHEL 8
  • Red Hat Red Hat OpenStack Platform 17.1 for RHEL 9

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.