Skip to content
VulniPulse
Advisory severityUnratedApache Software Foundation

Advisory [CVE-2023-24998] Apache Commons FileUpload, Apache Tomcat: FileUpload DoS with excessive parts

This Apache Software Foundation security advisory covers CVE-2023-24998 affecting Apache Commons FileUpload, Apache Tomcat.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2023-24998 Source published Source updated

VulniPulse record published

CVE-2023-24998
Affected products & platforms
Apache Software FoundationTomcat
Open source advisory

Summary

Apache Commons FileUpload before 1.5 does not limit the number of request parts to be processed resulting in the possibility of an attacker triggering a DoS with a malicious upload or series of uploads.

Note that, like all of the file upload limits, the new configuration option (FileUploadBase#setFileCountMax) is not

enabled by default and must be explicitly configured.

Affected products named by the advisory: Apache Tomcat.

Is CVE-2023-24998 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2023-24998 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2023-24998?

Upgrade to a fixed release named by Apache:

  • 1.5

Confirm against the vendor advisory before you patch.

Affected versions
  • Apache Commons FileUpload before 1.5
  • Apache Tomcat 11.0.0-M1
  • Apache Tomcat 10.0.0-M1 through 10.1.4
  • Apache Tomcat 9.0.0-M1 through 9.0.70
  • Apache Tomcat 8.5.0 through 8.5.84

Official advisory · medium-confidence parse· fetched 1 month ago·verify at source

Fixed versions
  • 1.5

Official advisory · medium-confidence parse· fetched 1 month ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Apache Commons FileUpload before 1.5 does not limit the number of request parts to be processed resulting in the possibility of an attacker triggering a DoS with a malicious upload or series of uploads.

Official advisory · medium-confidence parse· fetched 1 month ago·verify at source

Get an email when Apache Tomcat publishes the next one.

See Apache Tomcat's last 90 days of advisories first. Then choose one product with live alerts free for life, or a free month of real-time alerts on everything with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).

Alert me about Apache Tomcat
All Apache Software Foundation advisories

iPhone and Android apps · New on the App Store

Monitor future Apache Software Foundation CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.

Sign in to join the discussion.