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Fedora 43 Erlang Important Denial Of Service Fix CVE-2026-21620 Advisory

fedora
Calendar Grey March 3, 2026
Dist Fedora Esm H88
Erlang update for Fedora 43 addresses important security issue via relative path traversal. Immediate patch is recommended.
Erlang ver

Summary

Erlang is a general-purpose programming language and runtime

environment. Erlang has built-in support for concurrency, distribution

and fault tolerance. Erlang is used in several large telecommunication

systems from Ericsson.

Update Information:

Erlang ver. 26.2.5.17

Change Log

* Sat Feb 21 2026 Peter Lemenkov - 26.2.5.17-1 - Ver. 26.2.5.17 * Fri Jan 16 2026 Fedora Release Engineering - 26.2.5.16-2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild * Fri Nov 7 2025 Peter Lemenkov - 26.2.5.16-1 - Ver. 26.2.5.16

References


[ 1 ] Bug #2441332 - CVE-2026-21620 erlang: Erlang OTP tftp_file modules: Information disclosure via relative path traversal [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2441332

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-8a15e7a423' 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
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Name: erlang
Product: Fedora 43
Version: 26.2.5.17
Release: 1.fc43
Summary: General-purpose programming language and runtime environment

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