CVE-2021-40110

HIGH

Apache James < 3.6.1 - Denial of Service via IMAP LIST Command Regular Expression

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Mailing List, Third Party Advisory x_refsource_misc
https://www.openwall.com/lists/oss-security/2022/01/04/2
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2022/01/04/2

Scores

CVSS v3 7.5
EPSS 0.0067
EPSS Percentile 71.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (2)
apache/james < 3.6.1
org.apache.james/james-server 3.1.0 - 3.6.1Maven
Published Jan 04, 2022
Tracked Since Feb 18, 2026