CVE-2004-2381: HttpRequest.java in Jetty HTTP Server before 4.2.19 allows remote attackers to cause denial of service (memory

Routine

MEDIUM 5.0DOWNGRADE

CVE-2004-2381 is a medium-severity flaw (CVSS 5.0) affecting jetty http server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HttpRequest.java in Jetty HTTP Server before 4.2.19 allows remote attackers to cause denial of service (memory usage and application crash) via HTTP requests with a large Content-Length.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: jetty

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:09 UTCUpdated Record last modified

jetty jetty http server DOWNGRADE

Affected: 4.0.0 · 4.0.1 · 4.0.1_rc0 · 4.0.1_rc1 · 4.0.1_rc2 · 4.0.2 · 4.0.3 · 4.0.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0.0

1. Check installed version

apt-cache policy jetty-http-server || rpm -q jetty-http-server || jetty-http-server --version

2. No fixed release: DOWNGRADE to a release before 4.0.0 (Debian / Ubuntu)

apt-cache madison jetty-http-server sudo apt install jetty-http-server=<VERSION_BEFORE_4.0.0> sudo apt-mark hold jetty-http-server

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list jetty-http-server sudo dnf downgrade jetty-http-server-<VERSION_BEFORE_4.0.0> sudo dnf versionlock add jetty-http-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2004-2381?

jetty http server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-2381 being exploited?

CVE-2004-2381 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2004-2381 affect?

CVE-2004-2381 affects jetty http server. Severity is medium (CVSS 5.0). HttpRequest.java in Jetty HTTP Server before 4.2.19 allows remote attackers to cause denial of service (memory usage and application crash) via HTTP requests with a large Content-Length.

How urgent is CVE-2004-2381?

Priority 37/100. No elevated risk signals yet.

Software pages

Java vulnerabilities

Related CVEs

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References

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