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[USN-7961-1] Erlang vulnerability

Posted on 14 January 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7961-1
January 14, 2026

erlang vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS

Summary:

Erlang could allow unintended access to network services.

Software Description:
- 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.

Update instructions:

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

Ubuntu 24.04 LTS
erlang 1:25.3.2.8+dfsg-1ubuntu4.6
erlang-ssl 1:25.3.2.8+dfsg-1ubuntu4.6

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

References:
https://ubuntu.com/security/notices/USN-7961-1
CVE-2024-53846

Package Information:
https://launchpad.net/ubuntu/+source/erlang/1:25.3.2.8+dfsg-1ubuntu4.6

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