Loop with Unreachable Exit Condition ('Infinite Loop') Affecting babel package, versions <0:2.5.1-10.module+el8.5.0+20361+8a9d3d27


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
2.76% (85th percentile)

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  • Snyk IDSNYK-ORACLE8-BABEL-2590143
  • published10 Apr 2022
  • disclosed23 Mar 2021

Introduced: 23 Mar 2021

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

How to fix?

Upgrade Oracle:8 babel to version 0:2.5.1-10.module+el8.5.0+20361+8a9d3d27 or higher.
This issue was patched in ELSA-2021-4151.

NVD Description

Note: Versions mentioned in the description apply only to the upstream babel package and not the babel package as distributed by Oracle. See How to fix? for Oracle: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 Base Scores

version 3.1