RLSA-2026:85239

RLSA-2026:85239 · Important: python3 security update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * python: python: Arbitrary file deletion via race condition during temporary directory cleanup (CVE-2026-12345) * python: python: Certificate verification bypass via missing server_hostname validation in SSLContext.wrap_bio() (CVE-2026-19553) * python: Use-after-free of a server-side SSLContext when sni_callback switches contexts (CVE-2026-19445) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS 8.1 · High · Fix available

Published

2026-10-21T06:37:12.817086Z

Updated

2026-10-21T07:15:10.777884989Z

Stack: system

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