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Fedora 44 Erlang Critical DNS Issue Unauthorized Access 2026-2a93359b0b

fedora
Calendar Grey April 25, 2026
Scroller Fedora
Critical update for Fedora 44 addressing DNS cache poisoning and unauthorized access issues in Erlang.
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 unauthorized access fedora critical DNS issue erlang

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-2026-2a93359b0b' 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 44
Version: 26.2.5.19
Release: 1.fc44
URL: https://www.erlang.org
Summary: General-purpose programming language and runtime environment

Topics%20covered

Topics Covered

security advisory unauthorized access fedora critical DNS issue erlang

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