Denial of Service in Apache James
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.james:james-server | >= 3.1.0, < 3.6.1 | 3.6.1 |
References
- Weakness (CWE)
-- Platform
- Java / Kotlin (Maven)
- Package
org.apache.james:james-server- Disclosed
- 08.01.2022
- Updated
- 11.10.2026 13:19
Sources and licenses
OSV / GitHub Advisory Database - GHSA-r58x-wjg8-63m9 - CC BY 4.0
Vulnerability history: org.apache.james:james-server
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 11
- First → latest
- 01.2022 02.2024
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- High 4
- Medium 5
Disclosures per year
- 2022: 8
- 2023: 1
- 2024: 2
- 2025: 0
- 2026: 0
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