CVE-2025-55763 Affecting civetweb package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
1.2% (69th percentile)

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  • Snyk IDSNYK-DEBIAN11-CIVETWEB-12240178
  • published30 Aug 2025
  • disclosed29 Aug 2025

Introduced: 29 Aug 2025

CVE-2025-55763  (opens in a new tab)

How to fix?

There is no fixed version for Debian:11 civetweb.

NVD Description

Note: Versions mentioned in the description apply only to the upstream civetweb package and not the civetweb package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.