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...

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...

CVE-2026-77421

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 nano editor's regex search mode passes a user-controlled search term from doSearchString text in builtins/src/main/java/org/jline/builtins/Nano.java to Java's backtracking regular expression...

CVE-2026-77422

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 grep command in builtins/src/main/java/org/jline/builtins/PosixCommands.java accepts a user-controlled regular expression in grep... and, unless line-regexp mode is used, automatically adds ...

CVE-2026-77423 JLine: ReDoS in Built-in Less Viewer Search

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...

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...

CVE-2026-77423 JLine: ReDoS in Built-in Less Viewer Search

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...

EUVD-2026-85527

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 grep command in builtins/src/main/java/org/jline/builtins/PosixCommands.java accepts a user-controlled regular expression in grep... and, unless line-regexp mode is used, automatically adds ...

CVE-2026-77422

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 grep command in builtins/src/main/java/org/jline/builtins/PosixCommands.java accepts a user-controlled regular expression in grep... and, unless line-regexp mode is used, automatically adds ...

Open WebUI: Any authenticated user can stall a worker via a knowledge-search pattern that backtracks catastrophically

SummaryThe built-in knowledge search tools let a chat participant choose the pattern used to grep knowledge files. Patterns containing regex metacharacters were compiled with Python's backtracking re engine and run against every line of every reachable file, with no time limit anywhere on that...

ruby: WEBrick DoS vulnerability (CPU consumption)

Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.splitheadervalue function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of...

CVE-2024-58340 LangChain <= 0.3.1 MRKLOutputParser ReDoS

LangChain versions up to and including 0.3.1 contain a regular expression denial-of-service ReDoS vulnerability in the MRKLOutputParser.parse method libs/langchain/langchain/agents/mrkl/outputparser.py. The parser applies a backtracking-prone regular expression when extracting tool actions from...

Denial Of Service (DoS)

libhtml-stripscripts is vulnerable to denial of service DoS. The perl module which removes html scripts is causing this vulnerability by backtracking for HTML content with specially crafted style attributes. This causes regular expression denial of service...

MGASA-2013-0297 Updated ruby-RubyGems package fixes security vulnerabilies

Updated ruby-RubyGems package fixes security vulnerability: RubyGems validates versions with a regular expression that is vulnerable to denial of service due to a backtracking regular expression. For specially crafted RubyGems versions attackers can cause denial of service through CPU consumption...

ruby -- DoS vulnerability in WEBrick

The official ruby site reports: WEBrick::HTTP::DefaultFileHandler is faulty of exponential time taking requests due to a backtracking regular expression in WEBrick::HTTPUtils.splitheadervalue...