State-Sponsored Hackers Exploiting Libraesva Email Security Gateway Vulnerability

Libraesva has released a security update to address a vulnerability in its Email Security Gateway ESG solution that it said has been exploited by state-sponsored threat actors. The vulnerability, tracked as CVE-2025-59689 , carries a CVSS score of 6.1, indicating medium severity. "Libraesva ESG i...

CVE-2025-59689

Libraesva ESG 4.5 through 5.5.x before 5.5.7 allows command injection via a compressed e-mail attachment. For ESG 5.0 a fix has been released in 5.0.31. For ESG 5.1 a fix has been released in 5.1.20. For ESG 5.2 a fix has been released in 5.2.31. For ESG 5.4 a fix has been released in 5.4.8. For...