USN-6881-1 exim4 vulnerability

It was discovered that Exim did not enforce STARTTLS sync point on client side. An attacker could possibly use this issue to perform response injection during MTA SMTP sending...

CLSA-2023-1687795205 exim: Fix of CVE-2021-38371

CVE-2021-38371: Enforce STARTTLS sync point, client side in src/transports/smtp.c...

CLSA-2023-1687794906 exim: Fix of CVE-2021-38371

CVE-2021-38371: Enforce STARTTLS sync point, client side in src/transports/smtp.c...