Vulnerabilities for h2

Vulnerabilities for products matching "h2"

Found 5 matching products. Filters apply to all results.

You can search for specific versions with /product/h2/1.2.3

6 vulnerabilities found

Title	Severity	Date	Affected Version
CVE-2022-45868	High	November 23, 2022 11/23/22	<= 2.1.214
CVE-2022-23221	Critical	January 19, 2022 1/19/22	>= 1.1.100 < 2.0.206
CVE-2021-42392	Critical	January 10, 2022 1/10/22	>= 1.1.000 <= 2.0.204
CVE-2021-23463	High	December 10, 2021 12/10/21	>= 1.4.198 < 2.0.202
CVE-2018-14335	Medium	July 24, 2018 7/24/18	== 1.4.197
CVE-2018-10054	High	April 11, 2018 4/11/18	== 1.4.197

4 vulnerabilities found

Title	Severity	Date	Affected Version
CVE-2022-45868	High	November 23, 2022 11/23/22	<= 2.1.214
CVE-2022-23221	Critical	January 19, 2022 1/19/22	< 2.1.210
CVE-2021-42392	Critical	January 10, 2022 1/10/22	>= 1.1.100 < 2.0.206
CVE-2021-23463	High	December 10, 2021 12/10/21	>= 1.4.198 < 2.0.202

3 vulnerabilities found

Title	Severity	Date	Affected Version
h2 servers vulnerable to degradation of service with CONTINUATION Flood	Medium	April 5, 2024 4/5/24	< 0.3.26 >= 0.4.0 < 0.4.4
Resource exhaustion vulnerability in h2 may lead to Denial of Service (DoS)	Medium	January 19, 2024 1/19/24	< 0.3.24 >= 0.4.0 < 0.4.2
CVE-2023-26964	High	April 11, 2023 4/11/23	< 0.3.17

1 vulnerabilities found

Title	Severity	Exploit	Date	Affected Version
CVE-2023-26964	High		April 11, 2023 4/11/23	== 0.2.4

1 vulnerabilities found

Title	Severity	Exploit	Date	Affected Version
CVE-2025-57804	Medium		August 25, 2025 8/25/25	< 4.3.0

Showing vulnerabilities for 5 products matching "h2". Each product has independent pagination.