stunnel 5.78 released

'Michał Trojnara' via openssl-users <[email protected]> Thu, 9 Apr 2026 19:03:05 +0200
Newsgroups	gmane.comp.encryption.openssl.user,gmane.network.stunnel.user
Message-ID	<[email protected]>
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Dear Users,

I have released version 5.78 of stunnel.

### Version 5.78, 2026.04.09, urgency: MEDIUM
* Security bugfixes
 =C2=A0 - OpenSSL DLLs updated to version 3.5.6.
* Bugfixes
 =C2=A0 - Fixed WIN32 transfer() loop errors with OOB TCP.
 =C2=A0 - Fixed a memory leak introduced in version 5.73.
 =C2=A0 - Build fix for systems without timegm()
 =C2=A0 =C2=A0 (thanks to Jose A. Diaz and Shubham Gupta).
 =C2=A0 - Fixed a startup crash when both global (default)
 =C2=A0 =C2=A0 and service-level lists of values are configured
 =C2=A0 =C2=A0 for an option.
* Features
 =C2=A0 - Support for zstd and brotli compression with OpenSSL 3.2
 =C2=A0 =C2=A0 and TLS 1.2 or older.
 =C2=A0 - WIN32 OpenSSL build with zlib and zstd support.
 =C2=A0 - Support for new "options" parameter values.
 =C2=A0 - Less bloated errors on an invalid configuration file.
 =C2=A0 - Documentation updated from Pod to Pandoc Markdown.
 =C2=A0 - Removed support for OpenSSL versions older than 0.9.8.
 =C2=A0 =C2=A0 The final update for the OpenSSL 0.9.7 branch
 =C2=A0 =C2=A0 (0.9.7m) was issed on 23 Feb 2007.

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

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

SHA-256 hashes:
8727e53bb8b7528f850327a2a149158422c02183bc120d1d733cc65b1e2c349d=20
stunnel-5.78.tar.gz
541700197ce2e03dd86b343d9cbf6434359cca9f44e6927fde1d2c76c355c3e6=20
stunnel-5.78-win64-installer.exe
b585d0828165d2e317f3956f2657fa6fb265b34b3ff49181bf561acd8eea2500=20
stunnel-5.78-android.zip

Best regards,
 =C2=A0=C2=A0=C2=A0 Mike

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To view this discussion visit https://groups.google.com/a/openssl.org/d/msg=
id/openssl-users/5b991aca-d144-47fb-8f95-a1e93382c388%40stunnel.org.

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<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv=3D"content-type" content=3D"text/html; charset=3DUTF-8=
">
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  <body text=3D"#000000" bgcolor=3D"#FFFFFF">
    <p>Dear Users,</p>
    <p>I have released version 5.78 of stunnel.</p>
    ### Version 5.78, 2026.04.09, urgency: MEDIUM<br>
    * Security bugfixes<br>
    =C2=A0 - OpenSSL DLLs updated to version 3.5.6.<br>
    * Bugfixes<br>
    =C2=A0 - Fixed WIN32 transfer() loop errors with OOB TCP.<br>
    =C2=A0 - Fixed a memory leak introduced in version 5.73.<br>
    =C2=A0 - Build fix for systems without timegm()<br>
    =C2=A0 =C2=A0 (thanks to Jose A. Diaz and Shubham Gupta).<br>
    =C2=A0 - Fixed a startup crash when both global (default)<br>
    =C2=A0 =C2=A0 and service-level lists of values are configured<br>
    =C2=A0 =C2=A0 for an option.<br>
    * Features<br>
    =C2=A0 - Support for zstd and brotli compression with OpenSSL 3.2<br>
    =C2=A0 =C2=A0 and TLS 1.2 or older.<br>
    =C2=A0 - WIN32 OpenSSL build with zlib and zstd support.<br>
    =C2=A0 - Support for new "options" parameter values.<br>
    =C2=A0 - Less bloated errors on an invalid configuration file.<br>
    =C2=A0 - Documentation updated from Pod to Pandoc Markdown.<br>
    =C2=A0 - Removed support for OpenSSL versions older than 0.9.8.<br>
    =C2=A0 =C2=A0 The final update for the OpenSSL 0.9.7 branch<br>
    =C2=A0 =C2=A0 (0.9.7m) was issed on 23 Feb 2007.
    <p>Home page: <a class=3D"moz-txt-link-freetext"
        href=3D"https://www.stunnel.org/" moz-do-not-send=3D"true">https://=
www.stunnel.org/</a></p>
    <p>Download: <a class=3D"moz-txt-link-freetext"
        href=3D"https://www.stunnel.org/downloads.html"
        moz-do-not-send=3D"true">https://www.stunnel.org/downloads.html</a>=
</p>
    SHA-256 hashes:<br>
    <font face=3D"monospace">8727e53bb8b7528f850327a2a149158422c02183bc120d=
1d733cc65b1e2c349d=C2=A0
      stunnel-5.78.tar.gz<br>
    </font><font face=3D"monospace">541700197ce2e03dd86b343d9cbf6434359cca9=
f44e6927fde1d2c76c355c3e6=C2=A0
      stunnel-5.78-win64-installer.exe<br>
      b585d0828165d2e317f3956f2657fa6fb265b34b3ff49181bf561acd8eea2500=C2=
=A0
      stunnel-5.78-android.zip<br>
    </font>
    <p>Best regards,<br>
      =C2=A0=C2=A0=C2=A0 Mike</p>
  </body>
</html>

<p></p>

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