CVE-2023-34188

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 23, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-34188: High severity, CVSS 7.5 | Vulnix