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  4. CVE 2026 85111 apache james denial of service upon mime parsing
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Back to active CVEs
High · CVSS 8.7CVE-2026-85111

Apache James: Denial of service upon MIME parsingCVE-2026-85111

Answer in brief

CVE-2026-85111 records a High severity (CVSS 8.7) vulnerability in Apache James: Denial of service upon MIME parsing. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/Apache James (generic), Apache Software Foundation/org.apache.james:james-server (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 6, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Nov 6, 2026Material review Nov 6, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/Apache James (generic), Apache Software Foundation/org.apache.james:james-server (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/Apache Jamesgeneric>=0 <3.9.13.9.1
Apache Software Foundation/org.apache.james:james-servergeneric>=0 <3.9.13.9.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/Apache James, Apache Software Foundation/org.apache.james:james-server.
  2. 2Review the reported fix. Update Apache Software Foundation/Apache James to 3.9.1; Apache Software Foundation/org.apache.james:james-server to 3.9.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 6, 2026

Sources and claim methodology

  • Source referencelists.apache.org
  • Source referencecve.org
Upstream source 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 Apache James server 3.9.1 that relies on fixed MIME4J 0.8.15 which addresses the issue. See CVE-2026-85108 in Apache James MIME4J library.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Apache James: SASL OAUTHBEARER do not validate aud in JWT payload if misconfigredSame apache software foundation/apache james package
  • Apache James: Negative IMAP ACL administer authorization bypass through JMAP protocolSame apache software foundation/apache james package
  • Apache James: WebAdmin exposed without authentication on official Docker defaultSame apache software foundation/apache james package
  • Apache James: ManageSieve file implementation cross-user path traversalSame apache software foundation/apache james package
  • Apache James: SSRF filter bypass in the JMAP PushSubscription web-push clientSame apache software foundation/apache james package
  • Unbounded decoded HTTP/2 header-list size in cowlib cow_http2_machine enables HPACK amplification memory exhaustionAlso CWE-770

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-770
Source
CVE List V5
Source checked
Nov 6, 2026
References
2 linked sources
Open source record