Red Hat Security AdvisoryRHSA-2026:95082
python3 security update
Released 2026-11-04 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream AUS (v.8.4) platform-python-3.6.8-39.el8_4.13, platform-python-debug-3.6.8-39.el8_4.13, platform-python-devel-3.6.8-39.el8_4.13 +3
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) platform-python-3.6.8-39.el8_4.13, platform-python-debug-3.6.8-39.el8_4.13, platform-python-devel-3.6.8-39.el8_4.13 +3
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) platform-python-3.6.8-39.el8_4.13, python3-3.6.8-39.el8_4.13, python3-libs-3.6.8-39.el8_4.13 +1
- Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) platform-python-3.6.8-39.el8_4.13, python3-3.6.8-39.el8_4.13, python3-libs-3.6.8-39.el8_4.13 +1
Fixes 2 records
Priority MEDIUM 40
A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its sni_callback assigns a different context to SSLSocket.context (the documented way to select a certificate per server nam…
CVSS 4.0CRITICAL 9.2· Network · No auth · No interaction · EPSS 0.00524 · Published 2026-09-30 · Partial fix · 3.10.22, 3.11.17 +4 CWE-416
Priority LOW 36
ssl.SSLContext.wrap_bio() didn't require the server_hostname argument to not be None if ssl.SSLContext.check_hostname was set.
CVSS 4.0HIGH 7.6· Network · No auth · User interaction · EPSS 0.00547 · Published 2026-09-30 · Partial fix · 3.10.22, 3.11.17 +4 CWE-297