Incomplete Filtering of Special Elements Affecting python3.13 package, versions <0:3.13.13-1.hum1


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.48% (39th percentile)

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  • Snyk IDSNYK-RHEL10-PYTHON313-16079804
  • published16 Apr 2026
  • disclosed16 Mar 2026

Introduced: 16 Mar 2026

CVE-2026-3644  (opens in a new tab)
CWE-791  (opens in a new tab)

How to fix?

Upgrade RHEL:10 python3.13 to version 0:3.13.13-1.hum1 or higher.
This issue was patched in RHSA-2026:7443.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.13 package and not the python3.13 package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update(), |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.js_output() lacked the output validation applied to BaseCookie.output().

CVSS Base Scores

version 3.1