path-to-regexp: path-to-regexp: Denial of Service via crafted regular expressions

A flaw was found in path-to-regexp. A remote attacker could exploit this vulnerability by providing specially crafted input that generates a regular expression with multiple sequential optional groups. This leads to an exponential growth in the generated regular expression, causing a Denial of...

path-to-regexp: path-to-regexp: Denial of Service via crafted regular expressions

A flaw was found in path-to-regexp. A remote attacker could exploit this vulnerability by providing specially crafted input that generates a regular expression with multiple sequential optional groups. This leads to an exponential growth in the generated regular expression, causing a Denial of...

UBUNTU-CVE-2026-4926

Impact: A bad regular expression is generated any time you have multiple sequential optional groups curly brace syntax, such as abc:z. The generated regex grows exponentially with the number of groups, causing denial of service. Patches: Fixed in version 8.4.0. Workarounds: Limit the number of...

Linux Distros Unpatched Vulnerability : CVE-2026-4926

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Impact: A bad regular expression is generated any time you have multiple sequential optional groups curly brace syntax, such as abc:z. The generated regex grows...

Path-to-RegExp 安全漏洞

Path-to-RegExp is a tool open source by pillarjs. It is used to convert path strings into regular expressions. Versions of Path-to-RegExp prior to 8.4.0 have security vulnerabilities; these vulnerabilities stem from the exponential growth of the generated regular expressions, which could lead to...

MediaWiki - DiscussionTools Extension security vulnerabilities

MediaWiki - DiscussionTools Extension is an open-source discussion page plugin for MediaWiki. The versions 1.44 and 1.43 of the MediaWiki - DiscussionTools Extension contain security vulnerabilities. These vulnerabilities stem from improper handling of special elements within expressions language...