Python-eventlet: patch regression for cve-2021-21419 in some red hat builds
Priority MEDIUM 41CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-770.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0098 62nd percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Ironic content for Red Hat OpenShift Container Platform 4.12 | — | 0.30.2-4.el9 | Patch available | CNA |
| Red Hat | Red Hat OpenStack Platform 17.1 for RHEL 8 | — | 0.30.2-4.el8ost | Patch available | CNA |
| Red Hat | Red Hat OpenStack Platform 17.1 for RHEL 9 | — | 0.30.2-4.el9ost | Patch available | CNA |
- Ironic content for Red Hat OpenShift Container Platform 4.12 VendorRed Hat Affected — Fixed in 0.30.2-4.el9 Patch available CNA
- Red Hat OpenStack Platform 17.1 for RHEL 8 VendorRed Hat Affected — Fixed in 0.30.2-4.el8ost Patch available CNA
- Red Hat OpenStack Platform 17.1 for RHEL 9 VendorRed Hat Affected — Fixed in 0.30.2-4.el9ost Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:openshift_container_platform_for_arm64:4.12:*:*:*:*:*:*:* | 4.12 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.12:*:*:*:*:*:*:* | 4.12 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_for_power:4.12:*:*:*:*:*:*:* | 4.12 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.12:*:*:*:*:*:*:* | 4.12 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 9.0 | Running on | Red Hat |
| cpe:2.3:a:redhat:openstack_platform:17.1:*:*:*:*:*:*:* | 17.1 | Vulnerable | Red Hat |
- cpe:2.3:a:redhat:openshift_container_platform_for_arm64:4.12:*:*:*:*:*:*:* Versions 4.12 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.12:*:*:*:*:*:*:* Versions 4.12 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_for_power:4.12:*:*:*:*:*:*:* Versions 4.12 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.12:*:*:*:*:*:*:* Versions 4.12 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
- cpe:2.3:a:redhat:openstack_platform:17.1:*:*:*:*:*:*:* Versions 17.1 Vulnerable ·Red Hat
Remediation
Red Hat 3 advisories
- RHSA-2024:0188 Released 2024-01-16 · Red Hat rating ModerateRed Hat OpenStack Platform 17.1 (python-eventlet) security update
- Red Hat OpenStack Platform 17.1 python-eventlet-0.30.2-4.el8ost, python3-eventlet-0.30.2-4.el8ost
- RHSA-2024:0213 Released 2024-01-16 · Red Hat rating ModerateRed Hat OpenStack Platform 17.1 (python-eventlet) security update
- Red Hat OpenStack Platform 17.1 python-eventlet-0.30.2-4.el9ost, python3-eventlet-0.30.2-4.el9ost
- RHSA-2023:6128 Released 2023-11-01 · Red Hat rating ModerateOpenShift Container Platform 4.12.41 packages and security update
- Ironic content for Red Hat OpenShift Container Platform 4.12 python-eventlet-0.30.2-4.el9, python3-eventlet-0.30.2-4.el9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Ironic content for Red Hat OpenShift Container Platform 4.12 | Fixed | RHSA-2023:6128 |
| Red Hat OpenStack Platform 17.1 | Fixed | RHSA-2024:0188, RHSA-2024:0213 |
Not affected: 1 product
- Red Hat OpenShift Container Platform 4.12
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5625
- 2026-10-03 Alias added: GHSA-326p-894x-j8c7
References
More Red Hat Openshift Container Platform For Arm64 vulnerabilities
- TI-2025-05441 Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2 CVSS 3.1HIGH 7.5
- TI-2026-03838 Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing CVSS 3.1HIGH 7.5
- TI-2022-03955 Cri-o: /etc/passwd tampering privesc CVSS 3.1HIGH 7.8
- TI-2025-12426 Glib: integer overflow in in g_escape_uri_string() CVSS 3.1HIGH 7.7
- TI-2023-02895 Ocp & fips mode CVSS 3.1HIGH 7.5
- TI-2024-08977 Path traversal in containers/storage CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-5625 · CVE Program
- CVE-2023-5625 · NVD
- FIRST EPSS
- GHSA-326p-894x-j8c7 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-5625 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences