Echo: cpp-httplib: security update to 0.18.7-1+e4

high Tenable Self-Hosted Container Security Plugin ID 462919

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.23.0,
incoming requests using Transfer-Encoding: chunked in the header can allocate memory arbitrarily in the
server, potentially leading to its exhaustion. This vulnerability is fixed in 0.23.0. NOTE: This
vulnerability is related to CVE-2025-53628. (CVE-2025-53629)

Solution

Update the cpp-httplib library and its related packages to version 0.18.7-1+e4 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-53629

Plugin Details

Severity: High

ID: 462919

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.44

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-53629

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/25/2025

Vulnerability Publication Date: 7/10/2025

Reference Information

CVE: CVE-2025-53629