CVE-2026-77423

A flaw was found in JLine. The built-in less viewer processes user-controlled search and display-filter patterns using Java's backtracking regular expression engine. A remote attacker could provide a specially crafted regular expression, leading to excessive CPU consumption and indefinitely...

CVE-2026-77423

JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, the JLine built-in less viewer passes user-controlled search and display-filter patterns from getPatternboolean doDisplayPattern in builtins/src/main/java/org/jline/builtins/Less.java directly to Java's...