UBUNTU-CVE-2021-32798

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    UBUNTU-CVE-2021-32798

    Published: 9 Aug 2021Last Modified: 24 Oct 2025
    Upstream:
    CVE-2021-32798

    Summary:

    Details: The Jupyter notebook is a web-based notebook environment for interactive computing. In affected versions untrusted notebook can execute code on load. Jupyter Notebook uses a deprecated version of Google Caja to sanitize user inputs. A public Caja bypass can be used to trigger an XSS when a victim opens a malicious ipynb document in Jupyter Notebook. The XSS allows an attacker to execute arbitrary code on the victim computer using Jupyter APIs.

    References: https://ubuntu.com/security/CVE-2021-32798, https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797, https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14ef0d5, https://www.cve.org/CVERecord?id=CVE-2021-32798

    Affected packages

    Package

    Name: jupyter-notebook

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.2.3-4

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2021-32798 | CVE-DB