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...

JLine: ReDoS in Nano Editor Regex Search Mode

Summary When regex search mode is enabled in the JLine3 nano editor, the user-supplied search term is compiled directly as a Java regular expression with no timeout or backtracking bound. A crafted pattern such as a++b can hang the editor session thread at high CPU, causing a denial of service fo...

GHSA-PH9C-7HW9-VHHW JLine: ReDoS in Nano Editor Regex Search Mode

Summary When regex search mode is enabled in the JLine3 nano editor, the user-supplied search term is compiled directly as a Java regular expression with no timeout or backtracking bound. A crafted pattern such as a++b can hang the editor session thread at high CPU, causing a denial of service fo...

JLine: ReDoS in Built-in grep Command Amplified by Automatic `.*` Wrapping

Summary The JLine3 built-in grep command wraps the user-supplied regular expression with . before compiling it with Java's backtracking regex engine. This amplifies catastrophic backtracking and allows a short pattern such as a++b to hang the command thread on non-matching input. In environments...

Regular Expression Denial of Service (ReDoS)

Overview Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS in the grep command in builtins/src/main/java/org/jline/builtins/PosixCommands.java. An attacker can hang the command thread by supplying a pattern such as a++b against non-matching input, whic...

GHSA-R2XF-8XR9-62GW JLine: ReDoS in Built-in grep Command Amplified by Automatic `.*` Wrapping

Summary The JLine3 built-in grep command wraps the user-supplied regular expression with . before compiling it with Java's backtracking regex engine. This amplifies catastrophic backtracking and allows a short pattern such as a++b to hang the command thread on non-matching input. In environments...

GHSA-5Q95-HRPC-M3W3 JLine: ReDoS via `HISTORY_IGNORE` Configuration Variable

Summary The JLine3 HISTORYIGNORE variable is converted into a Java regular expression with only partial escaping. As a result, regex metacharacters other than and : are passed through to the regex engine. A crafted value such as a++b can cause catastrophic backtracking each time a command line is...

JLine: ReDoS via `HISTORY_IGNORE` Configuration Variable

Summary The JLine3 HISTORYIGNORE variable is converted into a Java regular expression with only partial escaping. As a result, regex metacharacters other than and : are passed through to the regex engine. A crafted value such as a++b can cause catastrophic backtracking each time a command line is...

Regular Expression Denial of Service (ReDoS)

Overview Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS in reader/src/main/java/org/jline/reader/impl/history/DefaultHistory.java through matchPatterns in the HISTORYIGNORE history filter. An attacker can hang the reader thread and drive CPU usage...

CVE-2026-77420 JLine: ReDoS via `HISTORY_IGNORE` Configuration Variable

JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, DefaultHistory.matchPatternsString patterns, String line in reader/src/main/java/org/jline/reader/impl/history/DefaultHistory.java converts the HISTORYIGNORE configuration value into a Java regular expression...

CVE-2026-77420

JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, DefaultHistory.matchPatternsString patterns, String line in reader/src/main/java/org/jline/reader/impl/history/DefaultHistory.java converts the HISTORYIGNORE configuration value into a Java regular expression...

EUVD-2026-85528

JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, DefaultHistory.matchPatternsString patterns, String line in reader/src/main/java/org/jline/reader/impl/history/DefaultHistory.java converts the HISTORYIGNORE configuration value into a Java regular expression...

CVE-2026-77420 JLine: ReDoS via `HISTORY_IGNORE` Configuration Variable

JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, DefaultHistory.matchPatternsString patterns, String line in reader/src/main/java/org/jline/reader/impl/history/DefaultHistory.java converts the HISTORYIGNORE configuration value into a Java regular expression...

CVE-2026-77420 JLine: ReDoS via `HISTORY_IGNORE` Configuration Variable

JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, DefaultHistory.matchPatternsString patterns, String line in reader/src/main/java/org/jline/reader/impl/history/DefaultHistory.java converts the HISTORYIGNORE configuration value into a Java regular expression...

CVE-2026-77422 JLine: ReDoS in Built-in grep Command Amplified by Automatic `.*` Wrapping

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: ReDoS in Built-in grep Command Amplified by Automatic `.*` Wrapping

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: ReDoS in Built-in grep Command Amplified by Automatic `.*` Wrapping

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-2026-77421 JLine: ReDoS in Nano Editor Regex Search Mode

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-2026-77421 JLine: ReDoS in Nano Editor Regex Search Mode

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-2026-77421 JLine: ReDoS in Nano Editor Regex Search Mode

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...