CRLF Injection Affecting python3.14-freethreading-idle package, versions <0:3.14.4-2.el9_8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.02% (7th percentile)

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  • Snyk IDSNYK-RHEL9-PYTHON314FREETHREADINGIDLE-16771532
  • published20 May 2026
  • disclosed10 Apr 2026

Introduced: 10 Apr 2026

CVE-2026-1502  (opens in a new tab)
CWE-93  (opens in a new tab)

How to fix?

Upgrade RHEL:9 python3.14-freethreading-idle to version 0:3.14.4-2.el9_8 or higher.
This issue was patched in RHSA-2026:19176.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.14-freethreading-idle package and not the python3.14-freethreading-idle package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.

CVSS Base Scores

version 3.1