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dena h2o vulnerabilities and exploits
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NA
CVE-2023-50247
h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. The QUIC stack (quicly), as used by H2O up to commit 43f86e5 (in version 2.3.0-beta and prior), is susceptible to a state exhaustion attack. When H2O is serving HTTP/3, a remote attacker can exploit this vulnerab...
Dena H2o
Dena H2o 2.3.0
NA
CVE-2023-41337
h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. In version 2.3.0-beta2 and prior, when h2o is configured to listen to multiple addresses or ports with each of them using different backend servers managed by multiple entities, a malicious backend entity that al...
Dena H2o
Dena H2o 2.3.0
NA
CVE-2023-44487
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Ietf Http 2.0
Nghttp2 Nghttp2
Netty Netty
Envoyproxy Envoy 1.27.0
Envoyproxy Envoy 1.26.4
Envoyproxy Envoy 1.25.9
Envoyproxy Envoy 1.24.10
Eclipse Jetty
Caddyserver Caddy
Golang Http2
Golang Go
Golang Networking
F5 Big-ip Analytics
F5 Big-ip Policy Enforcement Manager
F5 Big-ip Local Traffic Manager
F5 Big-ip Link Controller
F5 Big-ip Global Traffic Manager
F5 Big-ip Fraud Protection Service
F5 Big-ip Domain Name System
F5 Big-ip Application Security Manager
F5 Big-ip Application Acceleration Manager
F5 Big-ip Advanced Firewall Manager
35 Github repositories
2 Articles
NA
CVE-2023-30847
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 invalid HTTP request, it tries to build an upstream URL by reading from uninitialized pointer. This behavior can lead to crashes or leak of information to...
Dena H2o
Dena H2o 2.3.0
4.3
CVSSv2
CVE-2021-43848
h2o is an open source http server. In code prior to the `8c0eca3` commit h2o may attempt to access uninitialized memory. When receiving QUIC frames in certain order, HTTP/3 server-side implementation of h2o can be misguided to treat uninitialized memory as HTTP/3 frames that have...
Dena H2o
1 Github repository
7.5
CVSSv2
CVE-2018-0608
Buffer overflow in H2O version 2.2.4 and previous versions allows remote malicious users to execute arbitrary code or cause a denial of service (DoS) via unspecified vectors.
Dena H2o
5
CVSSv2
CVE-2017-10868
H2O version 2.2.2 and previous versions allows remote malicious users to cause a denial of service in the server via specially crafted HTTP/1 header.
Dena H2o
5
CVSSv2
CVE-2017-10869
Buffer overflow in H2O version 2.2.2 and previous versions allows remote malicious users to cause a denial-of-service in the server via unspecified vectors.
Dena H2o
4
CVSSv2
CVE-2017-10872
H2O version 2.2.3 and previous versions allows remote malicious users to cause a denial of service in the server via unspecified vectors.
Dena H2o
5
CVSSv2
CVE-2017-10908
H2O version 2.2.3 and previous versions allows remote malicious users to cause a denial of service in the server via specially crafted HTTP/2 header.
Dena H2o
CVSSv2
CVSSv2
CVSSv3
VMScore
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HTML injection
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