Red Hat Security AdvisoryRHSA-2026:5221
python3 security update
Released 2026-03-23 · Red Hat rating Moderate · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream AUS (v.8.4) platform-python-3.6.8-39.el8_4.9, platform-python-debug-3.6.8-39.el8_4.9, platform-python-devel-3.6.8-39.el8_4.9 +3
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) platform-python-3.6.8-39.el8_4.9, platform-python-debug-3.6.8-39.el8_4.9, platform-python-devel-3.6.8-39.el8_4.9 +3
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) platform-python-3.6.8-39.el8_4.9, python3-3.6.8-39.el8_4.9, python3-libs-3.6.8-39.el8_4.9 +1
- Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) platform-python-3.6.8-39.el8_4.9, python3-3.6.8-39.el8_4.9, python3-libs-3.6.8-39.el8_4.9 +1
Fixes 3 records
Priority LOW 29
The poplib module, when passed a user-controlled command, can have additional commands injected using newlines.
CVSS 4.0MEDIUM 5.9· Network · High privileges · No interaction · EPSS 0.00377 · Published 2026-01-20 · Partial fix · 3.15.0a6 CWE-77
Priority LOW 29
The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines.
CVSS 4.0MEDIUM 5.9· Network · High privileges · No interaction · EPSS 0.00431 · Published 2026-01-20 · Partial fix · 3.13.15, 3.14.7 +1 CWE-77
Priority LOW 28
The email module, specifically the "BytesGenerator" class, didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
CVSS 4.0MEDIUM 6.0· Network · Low privileges · No interaction · EPSS 0.00573 · Published 2026-01-23 · Partial fix · 3.10.20, 3.11.15 +4 CWE-93