CVE-2024-45403 | Low | 3.7 | 2024-10-11 | h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When h2o is configured as a reverse proxy and HTTP/3 requests are cancelled by the client… |
CVE-2024-45402 | High | 8.6 | 2024-10-11 | Picotls is a TLS protocol library that allows users select different crypto backends based on their use case. When parsing a spoofed TLS handshake message, pic… |
CVE-2024-45397 | Medium | 5.9 | 2024-10-11 | h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When an HTTP request using TLS/1.3 early data on top of TCP Fast Open or QUIC 0-RTT packets… |
CVE-2024-45396 | High | 7.5 | 2024-10-11 | Quicly is an IETF QUIC protocol implementation. Quicly up to commtit d720707 is susceptible to a denial-of-service attack. A remote attacker can exploit these… |
CVE-2024-25622 | Low | 3.1 | 2024-10-11 | h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. The configuration directives provided by the headers handler allows users to modify the res… |
CVE-2023-50247 | Low | 3.7 | 2023-12-12 | 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 pri… |
CVE-2023-41337 | Medium | 6.1 | 2023-12-12 | 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… |
CVE-2023-44487 | High | 7.5 | 2023-10-10 | The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the w… |
CVE-2023-30847 | High | 8.2 | 2023-04-27 | 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… |
CVE-2022-29482 | Low | 3.7 | 2022-06-14 | 'Mobaoku-Auction&Flea Market' App for iOS versions prior to 5.5.16 improperly verifies server certificates, which may allow an attacker to eavesdrop on an encr… |
CVE-2021-43848 | High | 7.4 | 2022-02-01 | 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… |
CVE-2018-0608 | Critical | 9.8 | 2018-06-26 | 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. |
CVE-2017-10908 | High | 7.5 | 2017-12-22 | 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. |
CVE-2017-10872 | Medium | 6.5 | 2017-12-22 | H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via unspecified vectors. |
CVE-2017-10869 | High | 7.5 | 2017-12-22 | 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-2017-10868 | High | 7.5 | 2017-12-22 | 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. |
CVE-2016-7835 | Critical | 9.1 | 2017-06-09 | Use-after-free vulnerability in H2O allows remote attackers to cause a denial-of-service (DoS) or obtain server certificate private keys and possibly other inf… |
CVE-2016-4864 | High | 7.5 | 2017-05-12 | 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 format string specifiers in a templat… |
CVE-2016-4817 | High | 7.5 | 2016-06-19 | lib/http2/connection.c in H2O before 1.7.3 and 2.x before 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote attackers to cause a denial of servi… |
CVE-2016-1133 | Low | 3.7 | 2016-01-16 | CRLF injection vulnerability in the on_req function in lib/handler/redirect.c in H2O before 1.6.2 and 1.7.x before 1.7.0-beta3 allows remote attackers to injec… |
CVE-2015-5638 | | | 2015-09-20 | Directory traversal vulnerability in H2O before 1.4.5 and 1.5.x before 1.5.0-beta2, when the file.dir directive is enabled, allows remote attackers to read arb… |