Detections
Analytics

Alpine: multiple py3-pygments packages: security update to 2.7.4-r0

high Tenable Self-Hosted Container Security Plugin ID 424390

Description

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

 - An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when
 performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only
 contains the "exception" keyword. (CVE-2021-20270)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-20270

Plugin Details

Severity: High

ID: 424390

Version: Revision 1.8

Type: Local

Published: 4/4/2025

Updated: 7/2/2026

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: 3.7

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

CVSS Score Source: CVE-2021-20270

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: 3/23/2021

Reference Information

CVE: CVE-2021-20270