CVE-2026-3276 Affecting python39-base package, versions <3.9.25-150300.4.109.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.49% (40th percentile)

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  • Snyk IDSNYK-SLES155-PYTHON39BASE-19853637
  • published16 Sept 2026
  • disclosed14 Sept 2026

Introduced: 14 Sep 2026

CVE-2026-3276  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 python39-base to version 3.9.25-150300.4.109.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python39-base package and not the python39-base package as distributed by SLES. See How to fix? for SLES:15.5 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