Fedora 44 python-starlette Security Fix for CVE-2026-48710
fedora
June 5, 2026
Backport fix for CVE-2026-48710
Summary
Starlette is a lightweight ASGI framework/toolkit, which is ideal for building
async web services in Python.
It is production-ready, and gives you the following:
• A lightweight, low-complexity HTTP web framework.
• WebSocket support.
• In-process background tasks.
• Startup and shutdown events.
• Test client built on requests.
• CORS, GZip, Static Files, Streaming responses.
• Session and Cookie support.
• 100% test coverage.
• 100% type annotated codebase.
• Few hard dependencies.
• Compatible with asyncio and trio backends.
• Great overall performance against independent benchmarks.
Update Information:
Backport fix for CVE-2026-48710
Topics Covered
Change Log
* Thu May 28 2026 Paul Wouters
References
[ 1 ] Bug #2481742 - CVE-2026-48710 starlette: Starlette: Security restriction bypass via malformed HTTP Host header
https://bugzilla.redhat.com/show_bug.cgi?id=2481742
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-3bce8d3f11' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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Name: python-starlette
Product: Fedora 44
Version: 0.52.1
Release: 2.fc44
Summary: The little ASGI library that shines
Topics Covered
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