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Fedora 43 libwebsockets Important Denial of Service Update 2026-59fdef3e5

fedora
Calendar Grey July 26, 2026
Scroller Fedora
Critical libwebsockets update fixes denial of service issue. Learn how to upgrade in Fedora 43 with advisory id.
Fedora has released an update for libwebsockets, version 4.5.8, addressing various bugs and ensuring compatibility with OpenSSL 4.0, available via the dnf update program.

Summary

This is the libwebsockets C library for lightweight websocket clients and

servers.

Update Information:

Update to 4.5.8

Topics%20covered

Topics Covered

security advisory denial of service fedora update important libwebsockets

Change Log

* Sat Jul 18 2026 Peter Robinson - 4.5.8-1 - Update to 4.5.8 * Thu Jul 16 2026 Fedora Release Engineering - 4.5.7-4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild * Fri Jun 12 2026 Yaakov Selkowitz - 4.5.7-3 - Rebuilt for openssl 4.0 * Thu Apr 30 2026 Dmitry Belyavskiy - 4.5.7-2 - Migrated to OpenSSL 4.0: use ASN1_STRING accessors instead of direct struct access

References


[ 1 ] Bug #2452084 - libwebsockets-4.5.8 is available https://bugzilla.redhat.com/show_bug.cgi?id=2452084 [ 2 ] Bug #2487519 - CVE-2026-10650 libwebsockets: libwebsockets: Denial of Service via SSH Protocol Handler resource consumption [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2487519

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-59fdef3e5f' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
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Name: libwebsockets
Product: Fedora 43
Version: 4.5.8
Release: 2.fc43
URL: http://libwebsockets.org
Summary: Lightweight C library for Websockets

Topics%20covered

Topics Covered

security advisory denial of service fedora update important libwebsockets

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