CVE-2026-49485 HAPI FHIR: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.9 and 6.9.4.2, all implementations of FHIRPathEngine accept arbitrary FHIRPath expressions and evaluate them without input validation, and the FHIRPath functions matches,...

CVE-2025-32076 Evil regex used to process user-provided data in VisualData

Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - Visual Data Extension allows HTTP DoS.This issue affects Mediawiki - Visual Data Extension: from 1.39 through 1.43...

CVE-2025-25200: Inefficient Regular Expression Complexity

Koa is expressive middleware for Node.js using ES2017 async functions. Prior to versions 0.21.2, 1.7.1, 2.15.4, and 3.0.0-alpha.3, Koa uses an evil regex to parse the X-Forwarded-Proto and X-Forwarded-Host HTTP headers. This can be exploited to carry out a Denial-of-Service attack. Versions 0.21....