Fedora 43 Erlang Update 2026-53a7ddccc8 Critical DNS Poisoning Issue
fedora
April 16, 2026
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 Covered
Change Log
* Tue Apr 7 2026 Peter Lemenkov
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-2026-53a7ddccc8' 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
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Name: erlang
Product: Fedora 43
Version: 26.2.5.19
Release: 1.fc43
Summary: General-purpose programming language and runtime environment
Topics Covered
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