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Norbert Pócs
8:31 AM
Windows installer 4.1.0 update
Hi, The released Windows installer version 4.1.0 for x86 and arm64 had unsigned libcrypto.dll and
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Windows installer 4.1.0 update
Hi, The released Windows installer version 4.1.0 for x86 and arm64 had unsigned libcrypto.dll and
8:31 AM
Blog on OpenSSL Library
3:14 AM
OpenSSL 4.1 Final Release - Live
The final release of OpenSSL 4.1 is now live. We would like to thank all those who contributed to the
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OpenSSL 4.1 Final Release - Live
The final release of OpenSSL 4.1 is now live. We would like to thank all those who contributed to the
3:14 AM
Gianluigi Ianniello
Nov 3
Plans for a PQC-only TLS group list alias?
Hello, We use OpenSSL in our communication framework and are preparing to enforce (in the future)
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Plans for a PQC-only TLS group list alias?
Hello, We use OpenSSL in our communication framework and are preparing to enforce (in the future)
Nov 3
Raghu Chidambaram
, …
Viktor Dukhovni
19
Nov 2
OpenSSL and PQC/FIPS support
On Fri, Oct 30, 2026 at 04:14:48PM +0000, Ladd, Watson wrote: > Will 4.2 be submitted to CMVP? We
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OpenSSL and PQC/FIPS support
On Fri, Oct 30, 2026 at 04:14:48PM +0000, Ladd, Watson wrote: > Will 4.2 be submitted to CMVP? We
Nov 2
Norbert Pócs
Oct 27
Windows installer for 4.1 is in production!
Announcing the OpenSSL Library 4.1 Installer for Windows The OpenSSL Library installer for Microsoft
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Windows installer for 4.1 is in production!
Announcing the OpenSSL Library 4.1 Installer for Windows The OpenSSL Library installer for Microsoft
Oct 27
Olivier Mascia
,
Norbert Pócs
4
Oct 23
4.1.0 VC-WIN64A, hitting a configuration issue
Indeed, thanks, this change fixes it cleanly. It is valuable when building out of a different (
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4.1.0 VC-WIN64A, hitting a configuration issue
Indeed, thanks, this change fixes it cleanly. It is valuable when building out of a different (
Oct 23
Tomas Mraz
Oct 23
OpenSSL version 4.1.0 released
OpenSSL version 4.1.0 released ============================== OpenSSL - The Open Source toolkit for
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OpenSSL version 4.1.0 released
OpenSSL version 4.1.0 released ============================== OpenSSL - The Open Source toolkit for
Oct 23
Bruce Stephens
, …
Leon Timmermans
6
Oct 21
Rejecting intermediate CA certificates
On Wed, Oct 21, 2026 at 2:02 PM Leon Timmermans <faw...@gmail.com> wrote: On Wed, Oct 21, 2026
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Rejecting intermediate CA certificates
On Wed, Oct 21, 2026 at 2:02 PM Leon Timmermans <faw...@gmail.com> wrote: On Wed, Oct 21, 2026
Oct 21
Anton Shepelev
, …
Alicja Kario
7
Oct 20
Debugging TLS connection to MS Exchange Server 2007
Dimitri Ledkov: > Compile statically linked https://github.com/rbsec/sslscan > > Use it
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Debugging TLS connection to MS Exchange Server 2007
Dimitri Ledkov: > Compile statically linked https://github.com/rbsec/sslscan > > Use it
Oct 20
Tomas Mraz
Oct 9
OpenSSL version 4.1.0-beta2 released
OpenSSL version 4.1 beta 2 released ==================================== OpenSSL - The Open Source
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OpenSSL version 4.1.0-beta2 released
OpenSSL version 4.1 beta 2 released ==================================== OpenSSL - The Open Source
Oct 9
Raghu Chidambaram
,
Kajal Sapkota
3
Oct 5
FIPS user claims
Thanks Sapkota for the detailed information, We had discussion with our security advisors and
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FIPS user claims
Thanks Sapkota for the detailed information, We had discussion with our security advisors and
Oct 5
Tomas Mraz
Sep 29
OpenSSL Security Advisory
OpenSSL Security Advisory [29th September 2026] =============================================== DTLS
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OpenSSL Security Advisory
OpenSSL Security Advisory [29th September 2026] =============================================== DTLS
Sep 29
Dylan Hernandez
Sep 23
Historical OpenSSL 0.9.8 RNG experiment — request for review of CVE-2008-0166 causal interpretation
Hello all, I'm looking for technical criticism of a controlled experiment involving the
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Historical OpenSSL 0.9.8 RNG experiment — request for review of CVE-2008-0166 causal interpretation
Hello all, I'm looking for technical criticism of a controlled experiment involving the
Sep 23
Tomas Mraz
Sep 23
OpenSSL version 4.1.0-beta1 released
OpenSSL version 4.1 beta 1 released ==================================== OpenSSL - The Open Source
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OpenSSL version 4.1.0-beta1 released
OpenSSL version 4.1 beta 1 released ==================================== OpenSSL - The Open Source
Sep 23
Norbert Pócs
Sep 22
New OpenSSL Releases
OpenSSL Release Announcement The OpenSSL project team would like to announce the upcoming release of
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New OpenSSL Releases
OpenSSL Release Announcement The OpenSSL project team would like to announce the upcoming release of
Sep 22
Blog on OpenSSL Library
Sep 22
The OpenSSL Library supports DTLS 1.3
OpenSSL 4.1, which [will be released in October 2026](https://openssl- library.org/post/2026-05-07-
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The OpenSSL Library supports DTLS 1.3
OpenSSL 4.1, which [will be released in October 2026](https://openssl- library.org/post/2026-05-07-
Sep 22
Blog on OpenSSL Library
Sep 22
OpenSSL 4.1 Alpha Release Announcement
The [OpenSSL Project](https://openssl.org) is pleased to announce that [OpenSSL 4.1 Alpha1](https://
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OpenSSL 4.1 Alpha Release Announcement
The [OpenSSL Project](https://openssl.org) is pleased to announce that [OpenSSL 4.1 Alpha1](https://
Sep 22
Blog on OpenSSL Library
Sep 22
OpenSSL 3.0 End of Life
The OpenSSL 3.0 series has reached its End of Life (EOL). As such it will no longer receive publicly
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OpenSSL 3.0 End of Life
The OpenSSL 3.0 series has reached its End of Life (EOL). As such it will no longer receive publicly
Sep 22
Michał Trojnara
Sep 17
stunnel 5.82 released
Dear Users, I have released version 5.82 of stunnel. ### Version 5.82, 2026.09.17, urgency: MEDIUM *
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stunnel 5.82 released
Dear Users, I have released version 5.82 of stunnel. ### Version 5.82, 2026.09.17, urgency: MEDIUM *
Sep 17
Michał Trojnara
Sep 16
stunnel 5.81 released
Dear Users, I have released version 5.81 of stunnel. ### Version 5.81, 2026.09.16, urgency: HIGH *
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stunnel 5.81 released
Dear Users, I have released version 5.81 of stunnel. ### Version 5.81, 2026.09.16, urgency: HIGH *
Sep 16
openss...@openssl.org
Sep 12
[6B703F14]
Greetings I have to share bad news with you. Appro
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[6B703F14]
Greetings I have to share bad news with you. Appro
Sep 12
Tomas Mraz
Sep 9
OpenSSL version 4.1.0-alpha1 released
OpenSSL version 4.1 alpha 1 released ==================================== OpenSSL - The Open Source
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OpenSSL version 4.1.0-alpha1 released
OpenSSL version 4.1 alpha 1 released ==================================== OpenSSL - The Open Source
Sep 9
Blog on OpenSSL Library
Aug 26
Foundation Advisory Committee nominations and election (2026)
The 2026 OpenSSL Foundation Advisory Committee nomination period has started! The Foundation is
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Foundation Advisory Committee nominations and election (2026)
The 2026 OpenSSL Foundation Advisory Committee nomination period has started! The Foundation is
Aug 26
Tomas Mraz
Aug 25
OpenSSL Security Advisory
OpenSSL Security Advisory [25th August 2026] ========================================= QUIC Server
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OpenSSL Security Advisory
OpenSSL Security Advisory [25th August 2026] ========================================= QUIC Server
Aug 25
Tomas Mraz
Aug 18
New OpenSSL Releases
The OpenSSL project team would like to announce the upcoming release of OpenSSL versions 4.0.2, 3.6.4
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New OpenSSL Releases
The OpenSSL project team would like to announce the upcoming release of OpenSSL versions 4.0.2, 3.6.4
Aug 18
Tomas Mraz
Aug 13
OpenSSL Security Advisory
OpenSSL Security Advisory [13th August 2026] ============================================ Unbounded
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OpenSSL Security Advisory
OpenSSL Security Advisory [13th August 2026] ============================================ Unbounded
Aug 13
Norbert Pócs
Aug 12
First Binary Distribution of the OpenSSL Library: Windows Installer Testing Release
Announcing the OpenSSL Library Installer for Windows (Testing Release) A testing release of the
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First Binary Distribution of the OpenSSL Library: Windows Installer Testing Release
Announcing the OpenSSL Library Installer for Windows (Testing Release) A testing release of the
Aug 12
Michał Trojnara
Aug 4
stunnel 5.80 released
Dear Users, I have released version 5.80 of stunnel. This is a security bugfix release. Details are
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stunnel 5.80 released
Dear Users, I have released version 5.80 of stunnel. This is a security bugfix release. Details are
Aug 4
Blog on OpenSSL Library
Jul 22
On the "HollowByte" denial-of-service report
Over the past week a denial-of-service (DoS) report against OpenSSL, named "HollowByte" by
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On the "HollowByte" denial-of-service report
Over the past week a denial-of-service (DoS) report against OpenSSL, named "HollowByte" by
Jul 22
openss...@openssl.org
Jul 15
3g0s5lh6
we are working to make things better for you. the project is moving along nicely so far. the research
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3g0s5lh6
we are working to make things better for you. the project is moving along nicely so far. the research
Jul 15