title: Apache James IMAP vulnerable to a ReDoS
description: In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a Denial Of Service using a vulnerable Regular expression. This affected Apache James prior to 3.6.1 We recommend upgrading to Apache James 3.6.1 or higher , which enforce the use of RE2J regular expression engine to execute regex in linear time without back-tracking.
problem types: Regular expression Denial of service
affected:
{
product: Apache James
vendor: Apache Software Foundation
versions:
lessThanOrEqual: 3.6.0, status: affected, version: Apache James, versionType: custom
}
metrics:
other: [
content: {'other': 'moderate'}
type: unknown
]