Arbitrary Command Injection Affecting python3-idle package, versions <0:3.6.8-73.el8_10


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.08% (23rd percentile)

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  • Snyk IDSNYK-CENTOS8-PYTHON3IDLE-15059397
  • published22 Jan 2026
  • disclosed20 Jan 2026

Introduced: 20 Jan 2026

CVE-2025-15366  (opens in a new tab)
CWE-77  (opens in a new tab)

How to fix?

Upgrade Centos:8 python3-idle to version 0:3.6.8-73.el8_10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-idle package and not the python3-idle package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.

CVSS Base Scores

version 3.1