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Patch Package: OTP 26.2.1
Git Tag: OTP-26.2.1
Date: 2023-12-18
Trouble Report Id: OTP-18897, OTP-18902, OTP-18903
Seq num:
System: OTP
Release: 26
Application: erts-14.2.1, ssh-5.1.1
Predecessor: OTP 26.2
Check out the git tag OTP-26.2.1, and build a full OTP system
including documentation. Apply one or more applications from this
build as patches to your installation using the 'otp_patch_apply'
tool. For information on install requirements, see descriptions for
each application version below.
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--- POTENTIAL INCOMPATIBILITIES -------------------------------------
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OTP-18897 Application(s): ssh
With this change (being response to CVE-2023-48795),
ssh can negotiate "strict KEX" OpenSSH extension with
peers supporting it; also
'[email protected]' algorithm becomes a
less preferred cipher.
If strict KEX availability cannot be ensured on both
connection sides, affected encryption modes(CHACHA and
CBC) can be disabled with standard ssh configuration.
This will provide protection against vulnerability, but
at a cost of affecting interoperability. See
Configuring algorithms in SSH.
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--- OTP-26.2.1 ------------------------------------------------------
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--- Fixed Bugs and Malfunctions ---
OTP-18903 Application(s): otp
Updated copyright and license information.
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--- erts-14.2.1 -----------------------------------------------------
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The erts-14.2.1 application can be applied independently of other
applications on a full OTP 26 installation.
--- Fixed Bugs and Malfunctions ---
OTP-18902 Application(s): erts
Removed unnecessary PCRE source tar-ball.
Full runtime dependencies of erts-14.2.1: kernel-9.0, sasl-3.3,
stdlib-4.1
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--- ssh-5.1.1 -------------------------------------------------------
---------------------------------------------------------------------
The ssh-5.1.1 application can be applied independently of other
applications on a full OTP 26 installation.
--- Fixed Bugs and Malfunctions ---
OTP-18897 Application(s): ssh
*** POTENTIAL INCOMPATIBILITY ***
With this change (being response to CVE-2023-48795),
ssh can negotiate "strict KEX" OpenSSH extension with
peers supporting it; also
'[email protected]' algorithm becomes a
less preferred cipher.
If strict KEX availability cannot be ensured on both
connection sides, affected encryption modes(CHACHA and
CBC) can be disabled with standard ssh configuration.
This will provide protection against vulnerability, but
at a cost of affecting interoperability. See
Configuring algorithms in SSH.
Full runtime dependencies of ssh-5.1.1: crypto-5.0, erts-14.0,
kernel-9.0, public_key-1.6.1, runtime_tools-1.15.1, stdlib-5.0,
stdlib-5.0
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