Hackers exploited Zimbra flaw as zero-day using iCalendar files
Researchers monitoring for larger .ICS calendar attachments found that a flaw in Zimbra Collaboration…
Oracle links Clop extortion attacks to July 2025 vulnerabilities
Oracle has linked an ongoing extortion campaign claimed by the Clop ransomware…
Libraesva ESG issues emergency fix for bug exploited by state hackers
Libraesva rolled out an emergency update for its Email Security Gateway (ESG)…
Post SMTP plugin flaw exposes 200K WordPress sites to hijacking attacks
More than 200,000 WordPress websites are using a vulnerable version of the…
Active! Mail RCE flaw exploited in attacks on Japanese orgs
An Active! Mail zero-day remote code execution vulnerability is actively exploited in…
Hackers exploit Roundcube webmail flaw to steal email, credentials
Threat actors have been exploiting a vulnerability in the Roundcube Webmail client…
Critical Exim bug bypasses security filters on 1.5 million mail servers
Censys warns that over 1.5 million Exim mail transfer agent (MTA) instances…