Security Bulletin:Catastrophic Backtracking Vulnerability in path-to-regexp with Three or More Parameters

Summary Impact: A bad regular expression is generated any time you have three or more parameters within a single segment, separated by something that is not a period .. For example, /:a-:b-:c or /:a-:b-:c-:d. The backtrack protection added in [email protected] only prevents ambiguity for two...

Linux Distros Unpatched Vulnerability : CVE-2026-4923

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Impact: When using multiple wildcards, combined with at least one parameter, a regular expression can be generated that is vulnerable to ReDoS. This backtrackin...

PT-2026-28656

Name of the Vulnerable Software and Affected Versions path-to-regexp versions prior to 0.1.13 Description A flawed regular expression is generated when three or more parameters are present within a single segment, separated by characters other than a period .. For example, /:a-:b-:c or...

GHSA-WVP2-9PPW-337J Paths contain matrix variables bypass decorators

Impact Spring supports Matrix variables. When Spring integration is used, Armeria calls Spring controllers via TomcatService or JettyService with the path that may contain matrix variables. In this situation, the Armeria decorators might not invoked because of the matrix variables. Let's see the...

PT-2022-5136 · Dell · Dell Wyse Thinos

Name of the Vulnerable Software and Affected Versions: Dell Wyse ThinOS version 2205 Description: The issue is related to the use of a regular expression with inefficient computational complexity in the UI of Dell Wyse ThinOS. This could allow a remote attacker to cause a denial-of-service. An...