Fedora 44 erlang-cowlib Critical CRLF Issues Lead to DoS Vulnerability
fedora
May 21, 2026
Cowlib 2.16.1
Summary
Support library for manipulating Web protocols.
Update Information:
Cowlib 2.16.1
Topics Covered
Change Log
* Tue May 12 2026 Peter Lemenkov
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-2026-84270bbc49' 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
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Name: erlang-cowlib
Product: Fedora 44
Version: 2.16.1
Release: 1.fc44
Summary: Support library for manipulating Web protocols
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!