CVE-2025-55763

Published Aug 29, 2025 CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-26228 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.
Ubuntu USN Ubuntu USN USN-8749-1 CivetWeb vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:civetweb_project:civetweb:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Civetweb Project
Civetweb Project civetweb
Vendors & Products Civetweb Project
Civetweb Project civetweb
Type Values Removed Values Added
Weaknesses CWE-121
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 29, 2025, 5:05 PM
Reserved
Aug 16, 2025, 12:00 AM
Status
Analyzed
Published
Aug 29, 2025, 5:15 PM
Modified
Nov 7, 2026, 6:10 PM