CVE-2025-55763

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-08-29 · updated 2026-06-17
Weakness: CWE-121

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.

Affected products

CivetWeb: from 1.14 through 1.16

References

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

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