Detections
Analytics

Alpine: multiple py3-httplib2 packages: security update to 0.19.0-r0

high Tenable Cloud Security Plugin ID 406669

Description

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

 - httplib2 is a comprehensive HTTP client library for Python. In httplib2 before version 0.19.0, a malicious
 server which responds with long series of "\xa0" characters in the "www-authenticate" header may cause
 Denial of Service (CPU burn while parsing header) of the httplib2 client accessing said server. This is
 fixed in version 0.19.0 which contains a new implementation of auth headers parsing using the pyparsing
 library. (CVE-2021-21240)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-21240

Plugin Details

Severity: High

ID: 406669

Version: Revision 1.26

Type: Local

Published: 10/31/2023

Updated: 12/4/2025

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-21240

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 8.7

Threat Vector: CVSS:4.0/E:P

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 Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 2/8/2021

Reference Information

CVE: CVE-2021-21240