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Fedora 42 Erlang High Information Disclosure Vuln FEDORA-2026

Linuxsecurity •LinuxSecurity Advisories • March 3, 2026

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

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.

Erlang ver. 26.2.5.17

* 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 * Fri Nov 7 2025 Peter Lemenkov - 26.2.5.16-1 - Ver. 26.2.5.16

[ 1 ] Bug #2441331 - CVE-2026-21620 erlang: Erlang OTP tftp_file modules: Information disclosure via relative path traversal [fedora-42]

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-d51972eee3' at the command line. For more information, refer to the dnf documentation available at

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Erlang Vulnerabilities in Fedora 42 and 43 Addressed Two vulnerabilities affecting Erlang in Fedora 42 and 43 have been reported. The vulnerabilities include an important denial of service fix for CVE-2026-21620, published on 2026-02-20. Users of Fedora 42 and 43 utilizing Erlang should apply the updates to mitigate these issues. 2 sources 36

Extracted Entities

Fedora 42 Erlang High Information Disclosure Vuln FEDORA-2026

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Extracted Entities

Attack Types (1)

Companies (1)

CVEs (1)