h2 vulnerabilities and fixes

Recent CVEs affecting h2, with upgrade or downgrade steps. 2 tracked.

h2 has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2023-04-11. Highest priority: CVE-2023-26964 (score 53/100).

• CVE-2023-26964 HIGH 7.5 DOWNGRADE DOWNGRADE An issue was discovered in hyper v0.13.7
• CVE-2022-45868 HIGH 8.4 UPGRADE The web-based admin console in H2 Database Engine before 2.2.220 can be started via the CLI with the argument

FAQ

How do I fix h2 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 h2 being exploited right now?

None of the tracked h2 CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which h2 CVE should I patch first?

CVE-2023-26964 currently ranks highest (53/100): An issue was discovered in hyper v0.13.7.

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