Known Vulnerabilities for H2o by Dena

Listed below are 10 of the newest known vulnerabilities associated with "H2o" by "Dena".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2023-44487 json The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many stre... 7.5 - HIGH 2023-10-10 2024-02-02
CVE-2023-30847 json H2O is an HTTP server. In versions 2.3.0-beta2 and prior, when the reverse proxy handler tries to processes a certain type of... 8.2 - HIGH 2023-04-27 2023-05-09
CVE-2021-43848 json h2o is an open source http server. In code prior to the `8c0eca3` commit h2o may attempt to access uninitialized memory. When... 5.9 - MEDIUM 2022-02-01 2022-02-07
CVE-2018-0608 json Buffer overflow in H2O version 2.2.4 and earlier allows remote attackers to execute arbitrary code or cause a denial of servi... 9.8 - CRITICAL 2018-06-26 2021-04-19
CVE-2017-10908 json H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/2... 7.5 - HIGH 2017-12-22 2021-04-19
CVE-2017-10872 json H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via unspecified vectors. 6.5 - MEDIUM 2017-12-22 2021-04-19
CVE-2017-10869 json Buffer overflow in H2O version 2.2.2 and earlier allows remote attackers to cause a denial-of-service in the server via unspe... 7.5 - HIGH 2017-12-22 2021-04-19
CVE-2017-10868 json H2O version 2.2.2 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/1... 7.5 - HIGH 2017-12-22 2021-08-12
CVE-2016-7835 json Use-after-free vulnerability in H2O allows remote attackers to cause a denial-of-service (DoS) or obtain server certificate p... 9.1 - CRITICAL 2017-06-09 2021-04-19
CVE-2016-4864 json H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via for... 7.5 - HIGH 2017-05-12 2019-02-26
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationDenaH2o2.3.0
ApplicationDenaH2o2.2.5
ApplicationDenaH2o2.2.4
ApplicationDenaH2o2.2.3
ApplicationDenaH2o2.2.2
ApplicationDenaH2o2.2.1
ApplicationDenaH2o2.2.0
ApplicationDenaH2o2.2.0
ApplicationDenaH2o2.2.0
ApplicationDenaH2o2.2.0
ApplicationDenaH2o2.1.0
ApplicationDenaH2o2.1.0
ApplicationDenaH2o2.1.0
ApplicationDenaH2o2.1.0
ApplicationDenaH2o2.1.0
ApplicationDenaH2o2.0.6
ApplicationDenaH2o2.0.5
ApplicationDenaH2o2.0.4
ApplicationDenaH2o2.0.3
ApplicationDenaH2o2.0.2
Results limited to 20 most recent known configurations
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report