Loop with Unreachable Exit Condition ('Infinite Loop') Affecting python36:3.6/python3-sqlalchemy package, versions <0:1.3.2-2.module+el8.3.0+6646+6b4b10ec


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.28% (70th percentile)

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  • Snyk IDSNYK-RHEL8-PYTHON36-4122365
  • 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 RHEL:8 python36:3.6/python3-sqlalchemy to version 0:1.3.2-2.module+el8.3.0+6646+6b4b10ec or higher.
This issue was patched in RHSA-2021:4150.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python36:3.6/python3-sqlalchemy package and not the python36:3.6/python3-sqlalchemy package as distributed by RHEL. See How to fix? for RHEL: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