It was discovered that an update for PCS package in RHBA-2023:2151 erratum released as part of Red Hat Enterprise Linux 9.2 failed to include the fix for the Webpack issue CVE-2023-28154 (for PCS package), which was previously addressed in Red Hat Enterprise Linux 9.1 via erratum RHSA-2023:1591. The CVE-2023-2319 was assigned to that Red Hat specific security regression in Red Hat Enterprise Linux 9.2.
Conclusion & alert: CVE-2023-2319 is rated Moderate Risk (59.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.97%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.39% | 0.97% | +0.59% |
| 2 | 2026-05-27 | 0.11% | 0.39% | +0.28% |
| 3 | 2025-11-21 | — | 0.11% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2023-2319 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| clusterlabs | pcs | 0.11.4-6.el9 | cpe:2.3:a:clusterlabs:pcs:0.11.4-6.el9:*:*:*:*:*:*:* |
| redhat | enterprise_linux_high_availability | 9.0 | cpe:2.3:o:redhat:enterprise_linux_high_availability:9.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_high_availability_eus | 9.2 | cpe:2.3:o:redhat:enterprise_linux_high_availability_eus:9.2:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2023:2652 | Third Party Advisory |
| https://access.redhat.com/security/cve/CVE-2023-2319 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2190092 | Issue Tracking |