Published Jun 28, 2024Sources checked Nov 13, 2026
9.1CRITICALCVSS out of 10
What this means
Review the available evidence
CVE-2024-37371 and is rated Critical severity with a CVSS score of 9.1. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: Nov 14, 2026
CBL-Mariner Releases
Vendor-listed releases
1.21.3-1
CISA KEVNot listedBased on the latest collected catalog
EPSS1.9%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2024-37371?
In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields.