USN-8136-2 dovecot regression

USN-8136-1 fixed vulnerabilities in Dovecot. The update caused a regression on Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Dovecot incorrectly handled invalid base64 SASL data. An...

Linux Distros Unpatched Vulnerability : CVE-2026-27860

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - If authusernamechars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads to potentially bypassing restrictions...