Fedora alert FEDORA-2026-47fffff581 (openssl)

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[SECURITY] Fedora 43 Update: openssl-3.5.4-3.fc43
Date:
             
 
Tue, 28 Apr 2026 01:00:34 +0000
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<20260428010034.A83256B401@bastion01.rdu3.fedoraproject.org>
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Article
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Fedora Update Notification
FEDORA-2026-47fffff581
2026-04-28 00:55:52.209315+00:00
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Name        : openssl
Product     : Fedora 43
Version     : 3.5.4
Release     : 3.fc43
URL         : http://www.openssl.org/
Summary     : Utilities from the general purpose cryptography library with TLS implementation
Description :
The OpenSSL toolkit provides support for secure communications between
machines. OpenSSL includes a certificate management tool and shared
libraries which provide various cryptographic algorithms and
protocols.

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Update Information:

Backport security patches from OpenSSL 3.5.6
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ChangeLog:

* Mon Apr 20 2026 Pavol Žáčik <pzacik@redhat.com> - 1:3.5.4-3
- Backport security patches from OpenSSL 3.5.6
  Resolves: CVE-2026-2673
  Resolves: CVE-2026-28387
  Resolves: CVE-2026-28388
  Resolves: CVE-2026-28389
  Resolves: CVE-2026-28390
  Resolves: CVE-2026-31789
  Resolves: CVE-2026-31790
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References:

  [ 1 ] Bug #2447397 - CVE-2026-2673 openssl: OpenSSL TLS 1.3 server may choose unexpected key
agreement group [fedora-all]
        https://bugzilla.redhat.com/show_bug.cgi?id=2447397
  [ 2 ] Bug #2456467 - CVE-2026-28390 openssl: OpenSSL: Denial of Service due to NULL pointer
dereference in CMS EnvelopedData processing [fedora-43]
        https://bugzilla.redhat.com/show_bug.cgi?id=2456467
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2026-47fffff581' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgr...

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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