Dear Users,

I have released version 5.73 of stunnel.

### Version 5.73, 2024.09.09, urgency: MEDIUM
* Security bugfixes
  - OpenSSL DLLs updated to version 3.3.2.
  - OpenSSL FIPS Provider updated to version 3.0.9.
* Bugfixes
  - Fixed a memory leak while reloading stunnel.conf
    sections with "client=yes" and "delay=no".
  - Fixed TIMEOUTocsp with values greater than 4.
  - Fix the IPv6 test on a non-IPv6 machine.
* Features
  - HELO replaced with EHLO in the post-STARTTLS SMTP
    protocol negotiation (thx to Peter Pentchev).
  - OCSP stapling fetches moved away from server threads.
  - Improved client-side session resumption.
  - Added support for the mimalloc allocator.
  - Check for protocolHost moved to configuration file
    processing for the client-side CONNECT protocol.
  - Clarified some confusing OpenSSL's certificate
    verification error messages.
  - stunnel.nsi updated for Debian 13 and Fedora.
  - Improved NetBSD compatibility.

Home page: https://www.stunnel.org/

Download: https://www.stunnel.org/downloads.html

SHA-256 hashes:
bc917c3bcd943a4d632360c067977a31e85e385f5f4845f69749bce88183cb38  stunnel-5.73.tar.gz
d686b1a4135947718e7a8157a8cb6694ed50e2267713de1972941148a8859789  stunnel-5.73-win64-installer.exe
9d6065ea1e7fa59405b5a152eeeaed9296bd5a0d2b11964800e95867e7391f16  stunnel-5.73-android.zip

Best regards,
    Mike