CVE-2018-12545

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

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

5.12%Up 2.6 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2018-12545
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-400, CWE-770
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-12545
Weakness: CWE-400
Updated: 2026-11-02

EUVDEUVD-2019-0383 No score

Record: EUVD-2019-0383
Updated: 2026-11-03

GitHub AdvisoriesGHSA-h2f4-v4c4-6wx4 7.5

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

Record: GHSA-h2f4-v4c4-6wx4
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

OSV 7.5

Record: CVE-2018-12545
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVGHSA-h2f4-v4c4-6wx4 7.5

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

Record: GHSA-h2f4-v4c4-6wx4
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-12545 7.5

Record: UBUNTU-CVE-2018-12545
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.eclipse.jetty:jetty-server` Maven	9.4.0 to 9.4.12.RC2	9.4.12.v20180830
`org.eclipse.jetty:jetty-server` Maven	9.3.0 to 9.3.24.v20180605	9.3.25.v20180904
`org.eclipse.jetty:jetty-server` Maven	9.4.0 up to 9.4.12.v20180830, plus listed versions 9.4.0.v201612089.4.0.v201806199.4.1.v201701209.4.1.v201806199.4.10.RC0 Show 22 moreShow less 9.4.10.RC19.4.10.v201805039.4.11.v201806059.4.12.RC09.4.12.RC19.4.12.RC29.4.2.v201702209.4.2.v201806199.4.3.v201703179.4.3.v201806199.4.4.v201704149.4.4.v201806199.4.5.v201705029.4.5.v201806199.4.6.v201705319.4.6.v201806199.4.7.RC09.4.7.v201709149.4.7.v201806199.4.8.v201711219.4.8.v201806199.4.9.v20180320	9.4.12.v20180830
`org.eclipse.jetty:jetty-server` Maven	9.3.0 up to 9.3.25.v20180904, plus listed versions 9.3.0.v201506129.3.1.v201507149.3.10.M09.3.10.v201606219.3.11.M0 Show 33 moreShow less 9.3.11.v201607219.3.12.v201609159.3.13.M09.3.13.v201610149.3.14.v201610289.3.15.v201612209.3.16.v201701209.3.17.RC09.3.17.v201703179.3.18.v201704069.3.19.v201705029.3.2.v201507309.3.20.v201705319.3.21.M09.3.21.RC09.3.21.v201709189.3.22.v201710309.3.23.v201802289.3.24.v201806059.3.3.v201508279.3.4.RC09.3.4.RC19.3.4.v201510079.3.5.v201510129.3.6.v201511069.3.7.RC09.3.7.RC19.3.7.v201601159.3.8.RC09.3.8.v201603149.3.9.M09.3.9.M19.3.9.v20160517	9.3.25.v20180904

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-12545 is a high vulnerability (CVSS 7.5) in Eclipse Jetty, published March 27, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.12%, the 92nd percentile. Fixed in org.eclipse.jetty:jetty-server 9.4.12.v20180830.

References

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