Important: Red Hat Security Advisory: python3.9 security update
Details
CVSS v3
7.0
CVSS v4
7.0
NVD published
2026-03-20 15:16:24
EPSS
<0.1% probability · 9.3th percentile — 2026-04-06
Affected versions
Not available in our cache.
Summary
The webbrowser.open() API would accept leading dashes in the URL which
could be handled as command line options for certain web browsers. New
behavior rejects leading dashes. Users are recommended to sanitize URLs
prior to passing to webbrowser.open().
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