HAPI FHIR: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint

All implementations of FHIRPathEngine accept arbitrary FHIRPath expressions and evaluate them without input validation. The FHIRPath functions matches, matchesFull, and replaceMatches pass user-controlled regular expressions directly to Java's Pattern.compile and String.replaceAll without...

CVE-2025-54364

Microsoft Knack 0.12.0 allows Regular expression Denial of Service ReDoS in the knack.introspection module. optiondescriptions employs an inefficient regular expression pattern: "\s:param\s+.+?\s:." that is susceptible to catastrophic backtracking when processing crafted docstrings containing a...