Loop with Unreachable Exit Condition ('Infinite Loop') Affecting oracle-free-21-extras package, versions *


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
2.76% (85th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-ORACLEFREE21EXTRAS-17432138
  • published24 Jun 2026
  • 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?

There is no fixed version for Minimos:latest oracle-free-21-extras.

NVD Description

Note: Versions mentioned in the description apply only to the upstream oracle-free-21-extras package and not the oracle-free-21-extras package as distributed by Minimos. See How to fix? for Minimos:latest 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