Loop with Unreachable Exit Condition ('Infinite Loop') Affecting python package, versions <0:2.7.18-1.amzn2.0.22


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.62% (47th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHON-18523590
  • published5 Aug 2026
  • disclosed9 Jul 2026

Introduced: 9 Jul 2026

NewCVE-2026-15308  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python to version 0:2.7.18-1.amzn2.0.22 or higher.
This issue was patched in ALAS2-2026-3845.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python package and not the python package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.

CVSS Base Scores

version 3.1