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Advisory record · GHSA-jw7r-rxff-gv24

Apache James MIME4J improper input validation vulnerability

CVSS 5.3 MediumEPSS 0.011 · 65th percentile

Published by the GitHub Advisory Database at 27 Feb 2024, 18:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.apache.james:apache-mime4j-coreMaven<0.8.100.8.10
Identifiers
GHSA-jw7r-rxff-gv24 · CVE-2024-21742
Weakness (CWE)
CWE-20 · CWE-74
Tags
Published
27 Feb 2024
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Apache MIME4J (org.apache.james:apache-mime4j-core) versions before 0.8.10 are vulnerable to header injection when the MIME4J DOM is used to compose messages. An attacker who can supply input to the composed message can add unintended headers to MIME messages. Upgrade to version 0.8.10 or later.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.011, the 65th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:18 UTC First seen by agentprime
  2. 31 Oct 2026, 14:18 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.