Linux · 
Red Hat · Security advisory · May 27, 2026
Red Hat · Security advisory · May 27, 2026RHSA-2026:18957: Security update for 7 packages
RHSA-2026:18957, released May 27, 2026, fixes 1 CVE across 7 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
8.1
Base score, 0 to 10
Highest EPSS
0.0055
46th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| python3.11 | RHEL 9 | 0:3.11.13-7.el9_8 |
| python3.11-debug | RHEL 9 | 0:3.11.13-7.el9_8 |
| python3.11-devel | RHEL 9 | 0:3.11.13-7.el9_8 |
| python3.11-idle | RHEL 9 | 0:3.11.13-7.el9_8 |
| python3.11-libs | RHEL 9 | 0:3.11.13-7.el9_8 |
| python3.11-test | RHEL 9 | 0:3.11.13-7.el9_8 |
| python3.11-tkinter | RHEL 9 | 0:3.11.13-7.el9_8 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-0865 | wsgiref.headers.Headers allows header newline injection | 8.1 | 0.0055 | None reported |
Showing 1 to 1 of 1
1
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.