GHSA-r58x-wjg8-63m9 · Severity: high · Ecosystem: maven — 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.
Conclusion & alert: CVE-2021-40110 is rated Moderate Risk (61.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.86%). Core evidence: EPSS rose +2.19% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.67% | 2.86% | +2.19% |
| 2 | 2026-03-06 | 0.50% | 0.67% | +0.18% |
| 3 | 2025-12-03 | — | 0.50% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-r58x-wjg8-63m9 · Severity: high · Ecosystem: maven — Denial of Service in Apache James
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2022/01/04/2 | Mailing List Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2022/01/04/2 | Mailing List Third Party Advisory |