Google: dev-python/urllib3: security update to 18244.448.22

high Tenable Self-Hosted Container Security Plugin ID 450677

Description

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

- An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in
the authority component, the authority regular expression exhibits catastrophic backtracking, causing a
denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.
(CVE-2021-33503)

Solution

Update the dev-python/urllib3 library and its related packages to version 18244.448.22 or later.

Plugin Details

Severity: High

ID: 450677

Version: Revision 1.1

Type: Local

Family: Google COS Security Checks

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.72

Vendor

Vendor Severity: HIGH

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-33503

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 6/1/2021

Reference Information

CVE: CVE-2021-33503

Detections

Analytics