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 64KB without newline characters.

Overview

Severity
Medium (CVSS 5.9)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2025-Dec
Released
2025-12-07
Last Updated
2026-02-26
EPSS Score
0.04% (percentile: 12.4%)

Detection & Weaponization (1 sources)

Maturity: Exploit

  • GitHub PoC: 1 repositories

Affected Products (34)

Other

  • 20770-17086
  • 20769-17086
  • 20828-17084
  • 20824-17084
  • 20876-17084
  • 19348-17084
  • 20709-17084
  • 20710-17084
  • 20711-17084
  • 20079-17084
  • 20712-17084
  • 20713-17084
  • 17793-17084
  • 20381-17086
  • 20714-17086
  • 20715-17086
  • 20699-17086
  • 20700-17086
  • 20716-17086
  • 20717-17086
  • 20520-17086
  • 20537-17086
  • 20393-17086
  • 20394-17086
  • 20718-17086
  • 20364-17086
  • 20703-17086
  • 19792-17086
  • 20719-17086
  • 20720-17086
  • 20721-17086
  • 20372-17086
  • 20794-17084

Open Source Software

  • azl3 kata-containers-cc 3.15.0.aks0-5 on Azure Linux 3.0

Revision History

  • 2025-12-07: Information published.
  • 2025-12-08: Information published.
  • 2025-12-09: Information published.
  • 2025-12-17: Information published.
  • 2025-12-20: Information published.
  • 2025-12-23: Information published.
  • 2025-12-30: Information published.
  • 2025-12-30: Information published.
  • 2026-01-03: Information published.
  • 2026-01-08: Information published.
  • 2026-01-20: Information published.
  • 2026-02-21: Information published.
  • 2026-02-26: Information published.