PatchTheCVEhierarchical notebook vulnerabilities and fixes
Recent CVEs affecting hierarchical notebook, with upgrade or downgrade steps. 1 tracked.
Also searched as: hierarchicalnotebook.
hierarchical notebook has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-03-28. Highest priority: CVE-2016-20045 (score 37/100).
- CVE-2016-20045 HIGH 8.4 UPGRADE HNB Organizer 1.9.18-10 contains a local buffer overflow vulnerability that allows local attackers to execute
FAQ
How do I fix hierarchical notebook vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is hierarchical notebook being exploited right now?
None of the tracked hierarchical notebook CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which hierarchical notebook CVE should I patch first?
CVE-2016-20045 currently ranks highest (37/100): HNB Organizer 1.9.18-10 contains a local buffer overflow vulnerability that allows local attackers to execute .