Linux · Security advisory · March 12, 2026

RHSA-2026:4165: Security update for 7 packages

RHSA-2026:4165, 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
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0057
47th percentile

Priority of the 3 CVEs

Patch now 0 Urgent 0 High 3 Routine 0

Fixed package versions

ProductReleaseFixed in
python3.12RHEL 90:3.12.12-4.el9_7.1
python3.12-debugRHEL 90:3.12.12-4.el9_7.1
python3.12-develRHEL 90:3.12.12-4.el9_7.1
python3.12-idleRHEL 90:3.12.12-4.el9_7.1
python3.12-libsRHEL 90:3.12.12-4.el9_7.1
python3.12-testRHEL 90:3.12.12-4.el9_7.1
python3.12-tkinterRHEL 90:3.12.12-4.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-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
Showing 1 to 3 of 3 1