Erlang security advisory (AV26-651)

Serial number: AV26-651
Date: July 3, 2026

On July 2, 2026, Erlang published security advisories to address vulnerabilities in the following products:

• OTP – versions prior to 27.3.4.14, 28.5.0.3 and 29.0.3
• SSL (OTP) – versions prior to 11.7.3, 11.6.0.3 and 11.2.12.10

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

• Denial-of-Service for TLS-1.3 server Using Session Tickets
• DTLS Denial of Service
• Erlang Security