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A denial-of-service vulnerability exists in github.com/sirupsen/logrus when using Entry.Writer() to log a single-line payload larger than 64KB without newline characters. — CVE-2025-65637

Date
Source
MSRC
Vendor
Microsoft
Threat
medium
CVSS
5.9

Summary

Advisory CVE-2025-65637. A denial-of-service vulnerability exists in github.com/sirupsen/logrus when using Entry.Writer() to log a single-line payload larger than… Vendor: Microsoft. Source: MSRC. Threat: medium. CVSS 5.9. See the…

What to do

General, cautious steps (verify details in the official source):

  • Review exposure and plan remediation based on risk and environment.
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

Read the official source

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