Exim Mail Server Hit by 4 Security Flaws Enabling SMTP Smuggling and Heap Corruption

Exim maintainers have released version 4.100.1 to address four security vulnerabilities affecting the widely used mail transfer agent. This update resolves issues that could potentially enable SMTP smuggling and heap-memory corruption under certain configurations. The release, announced on September 18, fixes the following vulnerabilities: GCVE-25-2026-09-50-1, GCVE-25-2026-09-51-1, GCVE-25-2026-09-55-1, and GCVE-25-2026-09-56-1. Administrators using vulnerable installations of Exim […]

This article has been indexed from GBHackers Security | #1 Globally Trusted Cyber Security News Platform

Read the original article: