Buffer overflow in Civetweb_project Civetweb
CVE-2025-55763
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 attac…
Vulnerability class: Buffer Overflow
EPSS: 0.011 (61.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Civetweb_project Civetweb
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product)
- cve@mitre.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-55763?
- CVE-2025-55763 is a high-severity vulnerability in Civetweb_project Civetweb, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-08-29.
- How severe is CVE-2025-55763?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-55763 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.