Günter Obiltschnig

Upgrade bundled libexpat to 2.6.3

3

[Changelog](https://github.com/libexpat/libexpat/blob/R_2_6_3/expat/Changes) for release has a few CVEs.

Add a `JSONFormatter` class to the Foundation logging framework. This formatter should generate JSON-formatted logs, with one JSON document per log message. Example for JSON schema: ``` { "timestamp": "2024-09-26T13:41:23.324461Z",...

https://github.com/fastfloat/fast_float Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12, Chromium, Redis and WebKit/Safari

UTF8::normalize()

1

It would be nice to have support for Unicode [normalization](https://www.unicode.org/faq/normalization.html) in the `Poco::UTF8` class. This could be implemented with [`utf8proc`](https://juliastrings.github.io/utf8proc/).

While investigating another fuzzing issue failing with an use of uninitialized memory I noticed that the initialization of the `holder` array with `std::memset()` in the constructor seems to be wrong....

Since SMTP servers (specifically, Postfix since early 2024) are increasingly rejecting emails containing bare newlines in their content (which is not valid in SMTP) due to potential [SMTP smuggling attacks](https://www.postfix.org/smtp-smuggling.html),...