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Fedora 42 Erlang Update Critical DNS Poisoning Addresses 2026-dd4a7e240e

fedora
Calendar Grey April 16, 2026
Dist Fedora Esm H88
Erlang update addresses critical DNS poisoning and access issues in Fedora 42 to enhance security.
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. 26.2.5.19

Topics%20covered

Topics Covered

security advisory fedora programming language dns poisoning unauthenticated access runtime environment

Change Log

* Tue Apr 7 2026 Peter Lemenkov - 26.2.5.19-1 - Ver. 26.2.5.19

References


[ 1 ] Bug #2456135 - CVE-2026-28810 erlang: Erlang/OTP kernel: DNS cache poisoning via predictable DNS transaction IDs [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2456135 [ 2 ] Bug #2456139 - CVE-2026-28808 erlang: Erlang OTP inets modules: Unauthenticated access to protected CGI scripts via incorrect authorization [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2456139

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-dd4a7e240e' 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
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Name: erlang
Product: Fedora 42
Version: 26.2.5.19
Release: 1.fc42
URL: https://www.erlang.org
Summary: General-purpose programming language and runtime environment

Topics%20covered

Topics Covered

security advisory fedora programming language dns poisoning unauthenticated access runtime environment

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