Linux · 
Red Hat · Security advisory · March 12, 2026
Red Hat · Security advisory · March 12, 2026RHSA-2026:4216: Security update for 7 packages
RHSA-2026:4216, released March 12, 2026, fixes 3 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
7.1
Base score, 0 to 10
Highest EPSS
0.0057
47th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| python3.11 | RHEL 9 | 0:3.11.13-5.1.el9_7 |
| python3.11-debug | RHEL 9 | 0:3.11.13-5.1.el9_7 |
| python3.11-devel | RHEL 9 | 0:3.11.13-5.1.el9_7 |
| python3.11-idle | RHEL 9 | 0:3.11.13-5.1.el9_7 |
| python3.11-libs | RHEL 9 | 0:3.11.13-5.1.el9_7 |
| python3.11-test | RHEL 9 | 0:3.11.13-5.1.el9_7 |
| python3.11-tkinter | RHEL 9 | 0:3.11.13-5.1.el9_7 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-1299 | email BytesGenerator header injection due to unquoted newlines | 7.1 | 0.0057 | None reported |
| High | CVE-2025-15366 | IMAP command injection in user-controlled commands | 7.1 | 0.0043 | None reported |
| High | CVE-2025-15367 | POP3 command injection in user-controlled commands | 7.1 | 0.0038 | None reported |
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