UBUNTU-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 been received. Whe...

CVE-2021-43848 Unititialized memory access in h2o

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 been received. Whe...

The vulnerability relates to the implementation of the HTTP/2 network protocol on Windows operating systems, Apache Traffic Server web servers, H2O web servers, network programming tools such as netty, SwiftNIO, Envoy, and the Node.js software platform. This allows attackers to induce service failures.

The vulnerability of the HTTP/2 network protocol implementation in Windows operating systems, Apache Traffic Server web servers, H2O web servers, network programming tools such as netty, SwiftNIO, Envoy, and Node.js software platforms is related to an uncontrolled resource consumption. Exploiting...

UBUNTU-CVE-2018-0608

Buffer overflow in H2O version 2.2.4 and earlier allows remote attackers to execute arbitrary code or cause a denial of service DoS via unspecified vectors...

H2O Denial of Service Vulnerability (CNVD-2018-01619)

H2O is a set of open source Web server software . A denial of service vulnerability exists in H2O 2.2.3 and earlier versions. A remote attacker can exploit this vulnerability to cause a denial of service...

DEBIAN-CVE-2017-10869

Buffer overflow in H2O version 2.2.2 and earlier allows remote attackers to cause a denial-of-service in the server via unspecified vectors...

CVE-2017-10872

H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via unspecified vectors...

DEBIAN-CVE-2017-10872

H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via unspecified vectors...

DEBIAN-CVE-2017-10868

H2O version 2.2.2 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/1 header...

Design/Logic Flaw

H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/2 header...

Design/Logic Flaw

H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via unspecified vectors...

Design/Logic Flaw

H2O version 2.2.2 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/1 header...

UBUNTU-CVE-2017-10908

H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/2 header...

Multiple vulnerabilities in H2O

Overview H2O is an open source web server software. H2O contains multiple vulnerabilities listed below. A Denial-of-service DoS due to a flaw in processing HTTP/1 header CWE-20 - CVE-2017-10868 Stack-based buffer overflow CWE-121 - CVE-2017-10869 A Denial-of-service DoS due to a flaw in outputtin...