Red Hat Security AdvisoryRHSA-2026:9261
python3.9 security update
Released 2026-04-21 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream E4S (v.9.0) python-unversioned-command-3.9.10-4.el9_0.10, python3-devel-3.9.10-4.el9_0.10, python3-tkinter-3.9.10-4.el9_0.10
- Red Hat Enterprise Linux BaseOS E4S (v.9.0) python3-3.9.10-4.el9_0.10, python3-libs-3.9.10-4.el9_0.10, python3.9-3.9.10-4.el9_0.10
Fixes 1 record
Priority LOW 33
The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line options for certain web browsers.
CVSS 4.0HIGH 7.0· Local · No auth · User interaction · EPSS 0.0032 · Published 2026-03-20 · Fixed in 3.10.21, 3.11.16 +4 CWE-20
