CVE-2020-7662

websocket-extensions npm module prior to 0.1.4 allows Denial of Service DoS via Regex Backtracking. The extension parser may take quadratic time when parsing a header containing an unclosed string parameter value whose content is a repeating two-byte sequence of a backslash and some other...

openSUSE 15 Security Update : python-urllib3 (openSUSE-SU-2021:2012-1)

The remote SUSE Linux SUSE15 host has a package installed that is affected by a vulnerability as referenced in the openSUSE-SU-2021:2012-1 advisory. - An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority...

Medium: python-urllib3

Issue Overview: A flaw was found in python-urllib3. When provided with a URL containing many @ characters in the authority component, the authority's regular expression exhibits catastrophic backtracking. This flaw causes a denial of service if a URL is passed as a parameter or redirected via an...

GHSA-JXHC-Q857-3J6G Regular Expression Denial of Service in Addressable templates

Impact Within the URI template implementation in Addressable, a maliciously crafted template may result in uncontrolled resource consumption, leading to denial of service when matched against a URI. In typical usage, templates would not normally be read from untrusted user input, but nonetheless,...

CVE-2021-32740

A resource-consumption vulnerability was found in rubygem addressable, where its URI template implementation could allow an attacker's crafted template to consume resources, resulting in a denial of service. The highest threat from this vulnerability is to system availability. Mitigation Create...

CVE-2021-32740

Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. An uncontrolled resource consumption vulnerability exists after version 2.3.0 through version 2.7.0. Within the URI template implementation in Addressable, a maliciously crafted templat...

ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

CVE-2021-33503

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP...

DEBIAN-CVE-2021-33503

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP...

CVE-2021-33503

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP...

PYSEC-2021-108

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP...

CVE-2021-33503

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP...

PYSEC-2021-108

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP...

DEBIAN-CVE-2021-22902

The actionpack ruby gem a framework for handling and responding to web requests in Rails before 6.0.3.7, 6.1.3.2 suffers from a possible denial of service vulnerability in the Mime type parser of Action Dispatch. Carefully crafted Accept headers can cause the mime type parser in Action Dispatch t...

CVE-2021-22902

The actionpack ruby gem a framework for handling and responding to web requests in Rails before 6.0.3.7, 6.1.3.2 suffers from a possible denial of service vulnerability in the Mime type parser of Action Dispatch. Carefully crafted Accept headers can cause the mime type parser in Action Dispatch t...

SUSE: Security Advisory (SUSE-SU-2018:2408-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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 ifdescription...

ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

Denial Of Service (DoS)

urllib3 is vulnerable to denial of service. An attacker is able to send a URL containing many @ characters in the authority component as a parameter or redirected to via an HTTP redirect, causing catastrophic backtracking and a denial of service...

GHSA-Q2Q7-5PP4-W6PG Catastrophic backtracking in URL authority parser when passed URL containing many @ characters

Impact When provided with a URL containing many @ characters in the authority component the authority regular expression exhibits catastrophic backtracking causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect. Patches The issue has been fixed in...

Catastrophic backtracking in URL authority parser when passed URL containing many @ characters

Impact When provided with a URL containing many @ characters in the authority component the authority regular expression exhibits catastrophic backtracking causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect. Patches The issue has been fixed in...