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CVE-2025-55763

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Date: August 28, 2025

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.

Severity Score

Related Resources (5)

https://github.com/civetweb/civetweb
https://nvd.nist.gov/vuln/detail/CVE-2025-55763
https://github.com/krispybyte/CVE-2025-55763
https://security-tracker.debian.org/tracker/CVE-2025-55763
https://www.mend.io/vulnerability-database/CVE-2025-55763

Severity Score

Weakness Type (CWE)

Stack-based Buffer Overflow

CWE-121

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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