grep jline-builtins module DoS

The vulnerability of the grep command in the jline-builtins Java library for processing console input in JLine is related to the use of regular expressions with inefficient computational complexity. Exploiting this vulnerability could allow a remote attacker to cause service interruptions...

com.aspectran:aspectow-appmon-demo (3.2.0), com.aspectran:aspectran-all (>=9.4.3, <=9.6.2) +31 more potentially affected by CVE-2026-77421 via org.jline:jline-builtins (>=4.0.0, <=4.3.0)

org.jline:jline-builtins MAVEN version =4.0.0, =9.4.3, =9.4.3, =9.4.3, =2.54.0, =2.54.0, =2.54.0, =2.54.0, =2.54.0, =2.54.0, =4.19.0, =4.19.0, =4.19.0, =4.19.0, =4.21.0 and more Source cves: CVE-2026-77421 Source advisory: SNYK:JAVA-ORGJLINE-20078913...

com.aspectran:aspectow-appmon-demo (3.2.0), com.aspectran:aspectran-all (>=9.4.3, <=9.6.2) +31 more potentially affected by CVE-2026-77422 via org.jline:jline-builtins (>=4.0.0, <=4.3.0)

org.jline:jline-builtins MAVEN version =4.0.0, =9.4.3, =9.4.3, =9.4.3, =2.54.0, =2.54.0, =2.54.0, =2.54.0, =2.54.0, =2.54.0, =4.19.0, =4.19.0, =4.19.0, =4.19.0, =4.21.0 and more Source cves: CVE-2026-77422 Source advisory: SNYK:JAVA-ORGJLINE-20079221...

com.aspectran:aspectow-appmon-demo (3.2.0), com.aspectran:aspectran-all (>=9.4.3, <=9.6.2) +31 more potentially affected by CVE-2026-77422 via org.jline:jline-builtins (>=4.0.0, <=4.3.0)

org.jline:jline-builtins MAVEN version =4.0.0, =9.4.3, =9.4.3, =9.4.3, =2.54.0, =2.54.0, =2.54.0, =2.54.0, =2.54.0, =2.54.0, =4.19.0, =4.19.0, =4.19.0, =4.19.0, =4.21.0 and more Source cves: CVE-2026-77422 Source advisory: GHSA-R2XF-8XR9-62GW...

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 ...