USN-7961-1: Erlang vulnerability

Publication date

14 January 2026

Overview

Erlang could allow unintended access to network services.

Releases


Packages

  • erlang - Concurrent, real-time, distributed functional language

Details

It was discovered that Erlang incorrectly validated peer certificates
when incorrect extended key usage was presented. A remote attacker could
possibly use this issue to bypass SSL key usage restrictions.

It was discovered that Erlang incorrectly validated peer certificates
when incorrect extended key usage was presented. A remote attacker could
possibly use this issue to bypass SSL key usage restrictions.

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
24.04 LTS noble erlang –  1:25.3.2.8+dfsg-1ubuntu4.6
erlang-ssl –  1:25.3.2.8+dfsg-1ubuntu4.6

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