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Denial of Service (DoS) Affecting python-levenshtein package, versions [0,0.12.1)

0.0
high

Snyk CVSS

    Attack Complexity High
    Scope Changed
    Confidentiality High
    Availability High

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  • Snyk ID SNYK-PYTHON-PYTHONLEVENSHTEIN-1061894
  • published 2 Feb 2021
  • disclosed 17 Jan 2021
  • credit Cris Neckar
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Introduced: 17 Jan 2021

CVE NOT AVAILABLE CWE-400 Open this link in a new tab

How to fix?

Upgrade python-Levenshtein to version 0.12.1 or higher.

Overview

python-Levenshtein is a Python extension for computing string edit distances and similarities.

Affected versions of this package are vulnerable to Denial of Service (DoS) via the lev_edit_distance() function. Incorrect handling of numerous possible wraparounds in calculating the size of memory allocations, which could cause Denial of Service or even possible remote code execution.