29 May, 2026

New critical Exim mailer flaw allows remote code execution

A critical vulnerability affecting certain configurations of the Exim open-source mail transfer agent could be exploited by an unauthenticated remote attacker to execute arbitrary code. Identified as CVE-2026-45185, the security issue impacts some Exim versions before 4.99.3 that use the default GNU Transport Layer Security (GnuTLS) library for secure communication. It is a user-after-free (UAF) flaw triggered during the TLS […]

3 mins read

Docker Hub still hosts dozens of Linux images with the XZ backdoor

The XZ-Utils backdoor, first discovered in March 2024, is still present in at least 35 Linux images on Docker Hub, potentially putting users, organizations, and their data at risk. Docker Hub is the official public container image registry operated by Docker, allowing developers and organizations to upload or download prebuilt images and share them with the […]

3 mins read