FreeBSD : py-httpx -- input validation vulnerability (e831dd5a-7d8e-4818-aa1f-17dd495584ec)

critical Nessus Plugin ID 180369



The remote FreeBSD host is missing one or more security-related updates.


The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the e831dd5a-7d8e-4818-aa1f-17dd495584ec advisory.

- Encode OSS httpx < 0.23.0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`. (CVE-2021-41945)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Update the affected packages.

See Also

Plugin Details

Severity: Critical

ID: 180369

File Name: freebsd_pkg_e831dd5a7d8e4818aa1f17dd495584ec.nasl

Version: 1.0

Type: local

Published: 8/31/2023

Updated: 8/31/2023

Risk Information


Risk Factor: Medium

Score: 6.0


Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2021-41945


Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:py310-httpx013, p-cpe:/a:freebsd:freebsd:py311-httpx013, p-cpe:/a:freebsd:freebsd:py37-httpx013, p-cpe:/a:freebsd:freebsd:py38-httpx013, p-cpe:/a:freebsd:freebsd:py39-httpx013, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/31/2023

Vulnerability Publication Date: 4/28/2022

Reference Information

CVE: CVE-2021-41945