CVE-2025-55763: Civetweb Project Civetweb

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

Buffer Overflow in the URI parser of CivetWeb 1.14 through 1.16 (latest) allows a remote attacker to achieve remote code execution via a crafted HTTP request. This vulnerability is triggered during request processing and may allow an attacker to corrupt heap memory, potentially leading to denial of service or arbitrary code execution.

Affected products

• Civetweb Project Civetweb: from 1.14, up to and including 1.16

Published 2025-08-29. Last modified 2026-06-17.