CVE-2026-47123 FreeScout: Agent Impersonation via Missing HMAC Verification on Notification Reply Message-ID Path

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.220, the email processing pipeline in FreeScout's FetchEmails command has two code paths for identifying agent user replies based on In-Reply-To / References headers. The notification reply path...

samba: infinite loop flaw in smbd on unexpected oplock break notification reply

smbd in Samba 3.0 before 3.0.37, 3.2 before 3.2.15, 3.3 before 3.3.8, and 3.4 before 3.4.2 allows remote authenticated users to cause a denial of service infinite loop via an unanticipated oplock break notification reply packet...

samba: infinite loop flaw in smbd on unexpected oplock break notification reply

smbd in Samba 3.0 before 3.0.37, 3.2 before 3.2.15, 3.3 before 3.3.8, and 3.4 before 3.4.2 allows remote authenticated users to cause a denial of service infinite loop via an unanticipated oplock break notification reply packet...