CVE-2026-3276 Affecting python-3.11 package, versions <3.11.15-r6


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.49% (40th percentile)

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  • Snyk IDSNYK-WOLFILATEST-PYTHON311-17368246
  • published17 Jun 2026
  • disclosed3 Jun 2026

Introduced: 3 Jun 2026

CVE-2026-3276  (opens in a new tab)

How to fix?

Upgrade Wolfi python-3.11 to version 3.11.15-r6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-3.11 package and not the python-3.11 package as distributed by Wolfi. See How to fix? for Wolfi relevant fixed versions and status.

unicodedata.normalize() can take excessive CPU time when processing specially crafted Unicode input containing long runs of combining characters with alternating Canonical Combining Class values. This affects all normalization forms.

CVSS Base Scores

version 3.1