CVE-2025-55763 — Stack-based Buffer Overflow in Project Civetweb

CWE-121 — Stack-based Buffer Overflow5 documents5 sources
Severity
7.5HIGHNVD
EPSS
4.6%
top 10.71%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Civetweb Project Civetweb
Timeline
PublishedAug 29

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶Debiancivetweb_project/civetweb< 1.16+dfsg-2+deb13u1+1
▶NVDcivetweb_project/civetweb1.14 — 1.16

🔴Vulnerability Details

3
GHSA
GHSA-2757-2hpv-v482: Buffer Overflow in the URI parser of CivetWeb 1↗2025-08-29
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CVEList
CVE-2025-55763: Buffer Overflow in the URI parser of CivetWeb 1↗2025-08-29
▶
OSV
CVE-2025-55763: Buffer Overflow in the URI parser of CivetWeb 1↗2025-08-29
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📋Vendor Advisories

1
Debian
CVE-2025-55763: civetweb - Buffer Overflow in the URI parser of CivetWeb 1.14 through 1.16 (latest) allows ...↗2025
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CVE-2025-55763 — Stack-based Buffer Overflow | cvebase