Use of Uninitialized Resource Affecting py3-jupyterlab package, versions <4.6.1-r1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.68% (51st percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-PY3JUPYTERLAB-17802603
  • published3 Jul 2026
  • disclosed15 May 2026

Introduced: 15 May 2026

CVE-2026-45736  (opens in a new tab)
CWE-908  (opens in a new tab)

How to fix?

Upgrade Chainguard py3-jupyterlab to version 4.6.1-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream py3-jupyterlab package and not the py3-jupyterlab package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.

References

CVSS Base Scores

version 3.1