Loop with Unreachable Exit Condition ('Infinite Loop') Affecting babel package, versions <0:2.5.1-10.module+el8.5.0+11014+88fc0d0b


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.32% (71st percentile)

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  • Snyk IDSNYK-CENTOS8-BABEL-2128666
  • published26 Jul 2021
  • disclosed10 Dec 2020

Introduced: 10 Dec 2020

CVE-2021-20270  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Centos:8 babel to version 0:2.5.1-10.module+el8.5.0+11014+88fc0d0b or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream babel package and not the babel package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1