CVE-2025-58181

SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.

  • Published Nov 19, 2025
  • CVSS 5.3 medium
  • 0.6% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

In the news

CVE-2025-58181 at the National Vulnerability Database