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Integer Overflow or Wraparound Affecting rh-python35-python-tkinter package, versions *

Severity

 Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
5.79% (93rd percentile)

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  • Snyk IDSNYK-RHEL10-RHPYTHON35PYTHONTKINTER-11439975
  • published5 Aug 2025
  • disclosed21 Sept 2018
Report a new vulnerability Found a mistake?

Introduced: 21 Sep 2018

CVE-2018-20406  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 rh-python35-python-tkinter.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rh-python35-python-tkinter package and not the rh-python35-python-tkinter package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Modules/_pickle.c in Python before 3.7.1 has an integer overflow via a large LONG_BINPUT value that is mishandled during a "resize to twice the size" attempt. This issue might cause memory exhaustion, but is only relevant if the pickle format is used for serializing tens or hundreds of gigabytes of data. This issue is fixed in: v3.4.10, v3.4.10rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.7rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.7, v3.6.7rc1, v3.6.7rc2, v3.6.8, v3.6.8rc1, v3.6.9, v3.6.9rc1; v3.7.1, v3.7.1rc1, v3.7.1rc2, v3.7.2, v3.7.2rc1, v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

References