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h2o vulnerabilities and exploits
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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
5.4
CVSSv2
CVE-2014-6905
The H2O Human Harmony Organization (aka com.netpia.ha.theh2o) application 1.6.5 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle malicious users to spoof servers and obtain sensitive information via a crafted certificate.
H2o Human Harmony Organization Project H2o Human Harmony Organization 1.6.5
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
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
5
CVSSv2
CVE-2016-4817
lib/http2/connection.c in H2O prior to 1.7.3 and 2.x prior to 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote malicious users to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted packet.
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
NA
CVE-2024-1456
An S3 bucket takeover vulnerability was identified in the h2oai/h2o-3 repository. The issue involves the S3 bucket 'http://s3.amazonaws.com/h2o-training', which was found to be vulnerable to unauthorized takeover.
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-27322
CVE-2006-4304
wireless
CVE-2023-23022
local file inclusion
CVE-2024-27058
CVE-2024-33820
open redirect
CVE-2024-27079
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