f4e7ad9de8
Python 3.8.16 final Security gh-100001: python -m http.server no longer allows terminal control characters sent within a garbage request to be printed to the stderr server log. This is done by changing the http.server BaseHTTPRequestHandler .log_message method to replace control characters with a \xHH hex escape before printing. gh-87604: Avoid publishing list of active per-interpreter audit hooks via the gc module gh-98433: The IDNA codec decoder used on DNS hostnames by socket or asyncio related name resolution functions no longer involves a quadratic algorithm. This prevents a potential CPU denial of service if an out-of-spec excessive length hostname involving bidirectional characters were decoded. Some protocols such as urllib http 3xx redirects potentially allow for an attacker to supply such a name. gh-98739: Update bundled libexpat to 2.5.0 gh-98517: Port XKCP’s fix for the buffer overflows in SHA-3 (CVE-2022-37454). gh-68966: The deprecated mailcap module now refuses to inject unsafe text (filenames, MIME types, parameters) into shell commands. Instead of using such text, it will warn and act as if a match was not found (or for test commands, as if the test failed). |
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