PYSEC-2022-237

In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking...

Code injection

In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking...

PT-2022-22315 · Mistune +1 · Mistune +1

Name of the Vulnerable Software and Affected Versions: Mistune versions 2.0.2 and earlier Description: The issue arises from the support of inline markup in Mistune, which utilizes regular expressions. These regular expressions can lead to a high amount of backtracking on certain edge cases, a...

Apache Tapestry 5.8.1 vulnerable to ReDoS via Content Types causing catastrophic backtracking

Apache Tapestry up to version 5.8.1 is vulnerable to Regular Expression Denial of Service ReDoS in the way it handles Content Types. Specially crafted Content Types may cause catastrophic backtracking, taking exponential time to complete. Specifically, this is about the regular expression used on...

Ruby: ReDoS in Psych

The Psych library in Ruby was found to have a ReDoS Regular Expression Denial of Service vulnerability in the parsing of time strings. The vulnerability was identified in the regular expression used to extract date and time information from the input string. The regular expression was susceptible...

CVE-2022-21681

Marked is a markdown parser and compiler. Prior to version 4.0.10, the regular expression inline.reflinkSearch may cause catastrophic backtracking against some strings and lead to a denial of service DoS. Anyone who runs untrusted markdown through a vulnerable version of marked and does not use a...

CVE-2022-21681 Exponential catastrophic backtracking (ReDoS) in marked

Marked is a markdown parser and compiler. Prior to version 4.0.10, the regular expression inline.reflinkSearch may cause catastrophic backtracking against some strings and lead to a denial of service DoS. Anyone who runs untrusted markdown through a vulnerable version of marked and does not use a...

CVE-2022-21680 Cubic catastrophic backtracking (ReDoS) in marked

Marked is a markdown parser and compiler. Prior to version 4.0.10, the regular expression block.def may cause catastrophic backtracking against some strings and lead to a regular expression denial of service ReDoS. Anyone who runs untrusted markdown through a vulnerable version of marked and does...

marked 安全漏洞

marked is a Markdown parser and compiler written in JavaScript. marked contains a security vulnerability that could be exploited by an attacker to cause a catastrophic backtracking of certain strings and lead to a denial of service DoS...

CVE-2021-39933

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.10 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A regular expression used for handling user input notes, comments, etc was susceptible to catastroph...

python-urllib3: ReDoS in the parsing of authority part of URL

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 HTTP redirect. T...

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...

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-2021-33503

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...

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...

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...