SCA: security update for python-ldap (GHSA-qfr5-wjpw-q4c4)

medium Tenable Self-Hosted Container Security Plugin ID 422315

Description

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

- python-ldap before 3.4.0 is vulnerable to a denial of service when ldap.schema is used for untrusted
schema definitions, because of a regular expression denial of service (ReDoS) flaw in the LDAP schema
parser. By sending crafted regex input, a remote authenticated attacker could exploit this vulnerability
to cause a denial of service condition. (CVE-2021-46823)

See Also

https://github.com/advisories/GHSA-qfr5-wjpw-q4c4

Plugin Details

Severity: Medium

ID: 422315

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2021-46823

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/19/2022

Vulnerability Publication Date: 6/18/2022

Reference Information

CVE: CVE-2021-46823