CVE-2025-55763

7.5 highEPSS 1.2%

High (7.5) in civetweb project civetweb. 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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE: CWE-121
Published: 2025-08-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

civetweb_project:civetweb

References

https://github.com/civetweb/civetweb
https://github.com/krispybyte/CVE-2025-55763

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