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Fencer Vulns
high 7.5

CVE-2018-12545 json

Uncontrolled Resource Consumption in org.eclipse.jetty:jetty-server

published 2019-03-27 7 y ago modified 2026-06-17 4 mo ago also GHSA-h2f4-v4c4-6wx4 , EUVD-2019-0383

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.1%
EPSS 5.1% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

In Eclipse Jetty version 9.3.x and 9.4.x, the server is vulnerable to Denial of Service conditions if a remote client sends either large SETTINGs frames container containing many settings, or many small SETTINGs frames. The vulnerability is due to the additional CPU and memory allocations required to handle changed settings.

Patch / fix

  • maven org.eclipse.jetty:jetty-server 9.3.25.v20180904, 9.4.12.v20180830
  • The Eclipse Foundation Eclipse Jetty 9.4.12

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-12545 updated cvss 3.7

jetty: large settings frames causing denial of service

  • Red Hat Enterprise Linux 7 jetty-io, jetty-ant, jetty-jmx, jetty-jsp, jetty-xml, jetty-http, +30 more
    affected: no fix planned “Will not fix”
  • Red Hat JBoss Fuse 6 jetty Red Hat Satellite 5 nutch
    affected: no fix planned “Out of support scope”
  • Red Hat Software Collections rh-java-common-jetty-io, rh-java-common-jetty-ant, rh-java-common-jetty-jmx, rh-java-common-jetty-jsp, rh-java-common-jetty-xml, rh-java-common-jetty-http, +30 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 6 jetty-eclipse Red Hat Fuse 7 jetty
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.12% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven org.eclipse.jetty:jetty-server
>=9.4.0, <9.4.12.v20180830
>=9.3.0, <9.3.25.v20180904
9.4.12.v20180830
9.3.25.v20180904

Affected products

  • The Eclipse Foundation Eclipse Jetty

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.