PT-2025-35250 · Civetweb+1 · Civetweb+1

Published 2025-01-01 · Updated 2026-05-20 · CVE-2025-55763

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions CivetWeb versions 1.14 through 1.16

Description A buffer overflow in the URI parser of CivetWeb may allow a remote attacker to achieve remote code execution via a crafted HTTP request. This issue is triggered during request processing and may allow an attacker to corrupt heap memory, potentially leading to denial of service or arbitrary code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

DoS

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2025-55763

OPENSUSE-SU-2026:10818-1

Affected Products

Civetweb

Debian

References · 16

• 🔥 https://github.com/krispybyte/CVE-2025-55763 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-55763 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-55763 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10818-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-55763 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-55763 · Security Note
• https://ubuntu.com/security/CVE-2025-55763 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-55763 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-55763 · Security Note
• https://github.com/civetweb/civetweb · Note
• https://github.com/civetweb/civetweb/pull/1347 · Note
• https://suse.com/security/cve/CVE-2025-55763 · Note
• https://t.me/avleonovcom/1586 · Telegram Post
• https://twitter.com/CVEnew/status/1961477465907593689 · Twitter Post
• https://twitter.com/krispied_/status/1961496155260424440 · Twitter Post