Linux · Security advisory · March 12, 2026

RHSA-2026:4168: Security update for 8 packages

RHSA-2026:4168, released March 12, 2026, fixes 4 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
4
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0057
47th percentile

Priority of the 4 CVEs

Patch now 0 Urgent 0 High 4 Routine 0

Fixed package versions

ProductReleaseFixed in
python-unversioned-commandRHEL 90:3.9.25-3.el9_7.1
python3RHEL 90:3.9.25-3.el9_7.1
python3-debugRHEL 90:3.9.25-3.el9_7.1
python3-develRHEL 90:3.9.25-3.el9_7.1
python3-idleRHEL 90:3.9.25-3.el9_7.1
python3-libsRHEL 90:3.9.25-3.el9_7.1
python3-testRHEL 90:3.9.25-3.el9_7.1
python3-tkinterRHEL 90:3.9.25-3.el9_7.1

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-1299 email BytesGenerator header injection due to unquoted newlines 7.1 0.0057 None reported
High CVE-2026-0865 wsgiref.headers.Headers allows header newline injection 8.1 0.0055 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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