Inefficient Regular Expression Complexity The advisory has been revoked - it doesn't affect any version of package jupyter-notebook (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2510-JUPYTERNOTEBOOK-15023625
- published17 Jan 2026
- disclosed30 Aug 2022
Introduced: 30 Aug 2022
CVE-2022-25887 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:25.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream jupyter-notebook package and not the jupyter-notebook package as distributed by Ubuntu.
The package sanitize-html before 2.7.1 are vulnerable to Regular Expression Denial of Service (ReDoS) due to insecure global regular expression replacement logic of HTML comment removal.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2022-25887
- https://github.com/apostrophecms/sanitize-html/commit/b4682c12fd30e12e82fa2d9b766de91d7d2cd23c
- https://github.com/apostrophecms/sanitize-html/pull/557
- https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-3008102
- https://security.snyk.io/vuln/SNYK-JS-SANITIZEHTML-2957526