Improper Neutralization of Null Byte or NUL Character Affecting civetweb/civetweb package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-CIVETWEBCIVETWEB-13147716
- published30 Sept 2025
- disclosed29 Sept 2025
- creditArtur Lacki
Introduced: 29 Sep 2025
NewCVE-2025-9648 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Improper Neutralization of Null Byte or NUL Character due to improper handling of unexpected conditions in the function mg_handle_form_request. An attacker can cause the application to become unresponsive or crash by sending specially crafted requests.