CVE-2016-7835

The CVE-2016-7835 issue affects the H2O HTTP Server prior to version 2.0.5 and some 2.1.x builds (beta 4). Root cause is a use-after-free during the HTTP/1 to HTTP/2 upgrade, allowing remote attackers to cause a DoS and potentially access server certificate private keys or other information. Reme...

CVE-2016-7835

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 information...

CVE-2016-7835

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 information...

CVE-2016-4864

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 template file via fastcgi, mruby, proxy, redirect or reproxy...

Format string

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 template file via fastcgi, mruby, proxy, redirect or reproxy...

CVE-2016-4864

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 template file via fastcgi, mruby, proxy, redirect or reproxy...

CVE-2016-4864

CVE-2016-4864 affects H2O web server: versions 2.0.3 and earlier and 2.1.0-beta2 and earlier are vulnerable to a DoS via format string specifiers in template files processed by fastcgi, mruby, proxy, redirect or reproxy. Connected sources confirm this vulnerability class and affected ranges, with...

CVE-2016-4864

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 template file via fastcgi, mruby, proxy, redirect or reproxy...

CVE-2016-4864

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 template file via fastcgi, mruby, proxy, redirect or reproxy...

FreeBSD : h2o -- Use-after-free vulnerability (d0b12952-cb86-11e6-906f-0cc47a065786)

Kazuho Oku reports : A use-after-free vulnerability exists in H2O up to and including version 2.0.4 / 2.1.0-beta3 that can be used by a remote attacker to mount DoS attacks and / or information theft. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in...

H2O Denial of Service Vulnerability

H2O is a set of open source Web server software . A denial of service vulnerability exists in H2O. An attacker could exploit this vulnerability to cause a denial of service or obtain sensitive information...

H2O HTTP Server < 2.0.5, 2.1.x < 2.1.0-beta4 DoS Vulnerability

H2O HTTP Server is prone to a denial of service vulnerability. SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:h2oproject:h2o"; i...

H2O use-after-free vulnerability

Overview H2O is an open source web server software. H2O contains a use-after-free vulnerability CWE-416 due to a flaw in the process of upgrading from HTTP/1 to HTTP/2. Kazuho Oku reported this vulnerability to IPA to notify users of its solution through JVN. JPCERT/CC and Kazuho Oku coordinated...

JVN#44566208: H2O use-after-free vulnerability

H2O is an open source web server software. H2O contains a use-after-free vulnerability CWE-416 due to a flaw in the process of upgrading from HTTP/1 to HTTP/2. Impact An unauthenticated remote attacker may cause a denial-of-service DoS condition or obtain arbitrary information which may include t...

H2O use of externally-controlled format string

Overview H2O is an open source web server software. H2O uses externally-controlled format strings CWE-134 in the code which output error logs. Kazuho Oku reported this vulnerability to IPA to notify users of its solution through JVN. JPCERT/CC and Kazuho Oku coordinated under the Information...

JVN#94779084: H2O use of externally-controlled format string

H2O is an open source web server software. H2O uses externally-controlled format strings CWE-134 in the code which output error logs. Impact An unauthenticated remote attacker may cause a denial-of-service DoS condition. Solution Update the Software Update to the latest version according to the...

FreeBSD : h2o -- fix DoS attack vector (08664d42-7989-11e6-b7a8-74d02b9a84d5)

Frederik Deweerdt reported a denial-of-service attack vector due to an unhandled error condition during socket connection. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML database : Copyright 2003-20...

H2O HTTP Server < 2.0.4, 2.1.x < 2.1.0-beta3 Format String Vulnerability

H2O HTTP Server is prone to a format string vulnerability. SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:h2oproject:h2o"; if...

h2o -- Use-after-free vulnerability

Kazuho Oku reports: A use-after-free vulnerability exists in H2O up to and including version 2.0.4 / 2.1.0-beta3 that can be used by a remote attacker to mount DoS attacks and / or information theft...

CVE-2016-4817

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 service use-after-free and application crash or possibly execute arbitrary code via a crafted packet...