VULNERABILITY INTELLIGENCE

CVE-2023-34188

CVSS score7.5 HIGH
EPSS probability1.00%
CISA KEVNot currently listed
Published2023-06-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

The HTTP server in Mongoose before 7.10 accepts requests containing negative Content-Length headers. By sending a single attack payload over TCP, an attacker can cause an infinite loop in which the server continuously reparses that payload, and does not respond to any other requests.

Weakness classification

  • nvd@nist.gov: NVD-CWE-Other
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-1284

Primary references