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Fedora 42 nginx-mod-modsecurity Patch for CVE-2026-1642 Data Injection

fedora
Calendar Grey February 15, 2026
Dist Fedora Esm H88
An update is available for nginx-mod-modsecurity on Fedora 42 addressing a critical data injection flaw. Update now!
nginx-mod-fancyindex: Rebuild for 1.28.2 nginx-mod-headers-more: Rebuild for 1.28.2 nginx-mod-brotli:

Summary

The ModSecurity-nginx connector is the connection point between nginx and

libmodsecurity (ModSecurity v3). Said another way, this project provides a

communication channel between nginx and libmodsecurity. This connector is

required to use LibModSecurity with nginx.

The ModSecurity-nginx connector takes the form of an nginx module. The module

simply serves as a layer of communication between nginx and ModSecurity

Update Information:

nginx-mod-fancyindex: Rebuild for 1.28.2 nginx-mod-headers-more: Rebuild for 1.28.2 nginx-mod-brotli: Rebuild for 1.28.2 nginx-mod-modsecurity: Rebuild for 1.28.2 nginx-mod-vts: Rebuild for 1.28.2 nginx-mod-naxsi: Rebuild for 1.28.2 nginx: Update to 1.28.2 fixes CVE-2026-1642 move log directory to nginx-filesystem subpackage (PR#20) delete Maxim Dounin's key, it's no longer listed on the nginx website

Topics%20covered

Topics Covered

security advisory fedora critical man-in-the-middle data injection nginx-mod-modsecurity

Change Log

* Wed Feb 4 2026 Felix Kaechele - 1.0.4-7 - Rebuild for 1.28.2 * Fri Jan 16 2026 Fedora Release Engineering - 1.0.4-6 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild

References


[ 1 ] Bug #2436870 - CVE-2026-1642 nginx: NGINX: Data injection via man-in-the-middle attack on TLS proxied connections [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2436870

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-0b8cc86e5b' 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: nginx-mod-modsecurity
Product: Fedora 42
Version: 1.0.4
Release: 7.fc42
URL: https://github.com/owasp-modsecurity/ModSecurity-nginx
Summary: ModSecurity v3 nginx connector

Topics%20covered

Topics Covered

security advisory fedora critical man-in-the-middle data injection nginx-mod-modsecurity

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