Alerts This Week
Warning Icon 1 1,154
Alerts This Week
Warning Icon 1 1,154

Fedora 43 Cowlib 2.16.1 Security Advisory CVE-2026-43968 CRLF Injection

fedora
Calendar Grey May 21, 2026
Dist Fedora Esm H88
Update on Cowlib 2.16.1 in Fedora 43—addresses CRLF Injection and Denial of Service issues.
Cowlib 2.16.1

Summary

Support library for manipulating Web protocols.

Update Information:

Cowlib 2.16.1

Topics%20covered

Topics Covered

security advisory fedora remote denial of service cowlib cve-2026-43968 cve-2026-43970

Change Log

* Tue May 12 2026 Peter Lemenkov - 2.16.1-1 - Cowlib ver. 2.16.1

References


[ 1 ] Bug #2476458 - erlang-cowlib-2.16.1 is available https://bugzilla.redhat.com/show_bug.cgi?id=2476458 [ 2 ] Bug #2479579 - CVE-2026-43968 erlang-cowlib: cowlib: CRLF Injection leads to client-side logic manipulation [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2479579 [ 3 ] Bug #2479811 - CVE-2026-43970 erlang-cowlib: cowlib: Remote denial of service via data amplification in SPDY frame processing [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2479811

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-ce0a56ca97' 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
important
Lowest
Low
Medium
High
Critical

Name: erlang-cowlib
Product: Fedora 43
Version: 2.16.1
Release: 1.fc43
URL: https://github.com/ninenines/cowlib
Summary: Support library for manipulating Web protocols

Topics%20covered

Topics Covered

security advisory fedora remote denial of service cowlib cve-2026-43968 cve-2026-43970

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here