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Alerts This Week
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Fedora 44 libwebsockets High Risk DoS Patch 2026-9921e0e415

fedora
Calendar Grey July 26, 2026
Scroller Fedora
Fedora's critical libwebsockets update addresses a denial of service threat in version 4.5.8, enhancing system security.
Fedora 44 has released libwebsockets version 4.5.8, a lightweight C library for Websockets, which includes important updates and fixes for recent vulnerabilities.

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 critical software update 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 * Wed Mar 18 2026 Peter Robinson - 4.5.7-1 - Update to 4.5.7

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-2026-9921e0e415' 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
critical
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Name: libwebsockets
Product: Fedora 44
Version: 4.5.8
Release: 1.fc44
URL: http://libwebsockets.org
Summary: Lightweight C library for Websockets

Topics%20covered

Topics Covered

security advisory denial of service fedora critical software update libwebsockets

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