CVE-2018-12545

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.

Published: 2019-03-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-12545 is rated Moderate Risk (63.5/100): CVSS High severity, with high exploitation likelihood (EPSS 5.08%, 91th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.54% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-12545

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.54% 5.08% +1.54%
2 2026-05-06 3.03% 3.54% +0.51%
3 2026-01-10 — 3.03% —

Full EPSS history (28 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-12545

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2018-12545

GitHub Security Advisory for CVE-2018-12545

GHSA-h2f4-v4c4-6wx4 · Severity: high · Ecosystem: maven — Uncontrolled Resource Consumption in org.eclipse.jetty:jetty-server

OS Trackers for CVE-2018-12545

vendor priority summary link
debian unimportant CVE-2018-12545 unimportant priority: Debian including 1 source packages (jetty9), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-12545
redhat medium — https://access.redhat.com/security/cve/CVE-2018-12545
ubuntu medium CVE-2018-12545 medium priority: Ubuntu including 2 source packages (jetty8, jetty9), 15 status rows across 9 suites (artful, bionic, cosmic, disco, eoan, focal, trusty, upstream, xenial): not-affected 9, DNE 5, released 1. https://ubuntu.com/security/CVE-2018-12545

Affected software / configurations for CVE-2018-12545

Vendor Product Version Raw CPE
eclipse jetty 9.3.0 cpe:2.3:a:eclipse:jetty:9.3.0:20150601:*:*:*:*:*:*
eclipse jetty 9.3.0 cpe:2.3:a:eclipse:jetty:9.3.0:20150608:*:*:*:*:*:*
eclipse jetty 9.3.0 cpe:2.3:a:eclipse:jetty:9.3.0:20150612:*:*:*:*:*:*
eclipse jetty 9.3.0 cpe:2.3:a:eclipse:jetty:9.3.0:maintenance0:*:*:*:*:*:*
eclipse jetty 9.3.0 cpe:2.3:a:eclipse:jetty:9.3.0:maintenance1:*:*:*:*:*:*
eclipse jetty 9.3.0 cpe:2.3:a:eclipse:jetty:9.3.0:maintenance2:*:*:*:*:*:*
eclipse jetty 9.3.0 cpe:2.3:a:eclipse:jetty:9.3.0:rc0:*:*:*:*:*:*
eclipse jetty 9.3.0 cpe:2.3:a:eclipse:jetty:9.3.0:rc1:*:*:*:*:*:*
eclipse jetty 9.3.1 cpe:2.3:a:eclipse:jetty:9.3.1:20150714:*:*:*:*:*:*
eclipse jetty 9.3.2 cpe:2.3:a:eclipse:jetty:9.3.2:20150730:*:*:*:*:*:*
eclipse jetty 9.3.3 cpe:2.3:a:eclipse:jetty:9.3.3:20150825:*:*:*:*:*:*
eclipse jetty 9.3.3 cpe:2.3:a:eclipse:jetty:9.3.3:20150827:*:*:*:*:*:*
eclipse jetty 9.3.4 cpe:2.3:a:eclipse:jetty:9.3.4:20151005:*:*:*:*:*:*
eclipse jetty 9.3.4 cpe:2.3:a:eclipse:jetty:9.3.4:20151007:*:*:*:*:*:*
eclipse jetty 9.3.4 cpe:2.3:a:eclipse:jetty:9.3.4:rc0:*:*:*:*:*:*
eclipse jetty 9.3.4 cpe:2.3:a:eclipse:jetty:9.3.4:rc1:*:*:*:*:*:*
eclipse jetty 9.3.5 cpe:2.3:a:eclipse:jetty:9.3.5:20151012:*:*:*:*:*:*
eclipse jetty 9.3.6 cpe:2.3:a:eclipse:jetty:9.3.6:20151106:*:*:*:*:*:*
eclipse jetty 9.3.7 cpe:2.3:a:eclipse:jetty:9.3.7:20160115:*:*:*:*:*:*
eclipse jetty 9.3.7 cpe:2.3:a:eclipse:jetty:9.3.7:rc0:*:*:*:*:*:*
eclipse jetty 9.3.7 cpe:2.3:a:eclipse:jetty:9.3.7:rc1:*:*:*:*:*:*
eclipse jetty 9.3.8 cpe:2.3:a:eclipse:jetty:9.3.8:20160311:*:*:*:*:*:*
eclipse jetty 9.3.8 cpe:2.3:a:eclipse:jetty:9.3.8:20160314:*:*:*:*:*:*
eclipse jetty 9.3.8 cpe:2.3:a:eclipse:jetty:9.3.8:rc0:*:*:*:*:*:*
eclipse jetty 9.3.9 cpe:2.3:a:eclipse:jetty:9.3.9:20160517:*:*:*:*:*:*
eclipse jetty 9.3.9 cpe:2.3:a:eclipse:jetty:9.3.9:maintenance_0:*:*:*:*:*:*
eclipse jetty 9.3.9 cpe:2.3:a:eclipse:jetty:9.3.9:maintenance_1:*:*:*:*:*:*
eclipse jetty 9.3.10 cpe:2.3:a:eclipse:jetty:9.3.10:20160621:*:*:*:*:*:*
eclipse jetty 9.3.10 cpe:2.3:a:eclipse:jetty:9.3.10:maintenance_0:*:*:*:*:*:*
eclipse jetty 9.3.11 cpe:2.3:a:eclipse:jetty:9.3.11:20160721:*:*:*:*:*:*
eclipse jetty 9.3.11 cpe:2.3:a:eclipse:jetty:9.3.11:maintenance_0:*:*:*:*:*:*
eclipse jetty 9.3.12 cpe:2.3:a:eclipse:jetty:9.3.12:20160915:*:*:*:*:*:*
eclipse jetty 9.3.13 cpe:2.3:a:eclipse:jetty:9.3.13:20161014:*:*:*:*:*:*
eclipse jetty 9.3.13 cpe:2.3:a:eclipse:jetty:9.3.13:maintenance_0:*:*:*:*:*:*
eclipse jetty 9.3.14 cpe:2.3:a:eclipse:jetty:9.3.14:20161028:*:*:*:*:*:*
eclipse jetty 9.3.15 cpe:2.3:a:eclipse:jetty:9.3.15:20161220:*:*:*:*:*:*
eclipse jetty 9.3.16 cpe:2.3:a:eclipse:jetty:9.3.16:20170119:*:*:*:*:*:*
eclipse jetty 9.3.16 cpe:2.3:a:eclipse:jetty:9.3.16:20170120:*:*:*:*:*:*
eclipse jetty 9.3.17 cpe:2.3:a:eclipse:jetty:9.3.17:20170317:*:*:*:*:*:*
eclipse jetty 9.3.17 cpe:2.3:a:eclipse:jetty:9.3.17:rc0:*:*:*:*:*:*
eclipse jetty 9.3.18 cpe:2.3:a:eclipse:jetty:9.3.18:20170406:*:*:*:*:*:*
eclipse jetty 9.3.19 cpe:2.3:a:eclipse:jetty:9.3.19:20170502:*:*:*:*:*:*
eclipse jetty 9.3.20 cpe:2.3:a:eclipse:jetty:9.3.20:20170531:*:*:*:*:*:*
eclipse jetty 9.3.21 cpe:2.3:a:eclipse:jetty:9.3.21:20170918:*:*:*:*:*:*
eclipse jetty 9.3.21 cpe:2.3:a:eclipse:jetty:9.3.21:maintenance_0:*:*:*:*:*:*
eclipse jetty 9.3.21 cpe:2.3:a:eclipse:jetty:9.3.21:rc0:*:*:*:*:*:*
eclipse jetty 9.3.22 cpe:2.3:a:eclipse:jetty:9.3.22:20171030:*:*:*:*:*:*
eclipse jetty 9.3.23 cpe:2.3:a:eclipse:jetty:9.3.23:20180228:*:*:*:*:*:*
eclipse jetty 9.3.24 cpe:2.3:a:eclipse:jetty:9.3.24:20180605:*:*:*:*:*:*
eclipse jetty 9.4.0 cpe:2.3:a:eclipse:jetty:9.4.0:20161207:*:*:*:*:*:*
eclipse jetty 9.4.0 cpe:2.3:a:eclipse:jetty:9.4.0:20161208:*:*:*:*:*:*
eclipse jetty 9.4.0 cpe:2.3:a:eclipse:jetty:9.4.0:20180619:*:*:*:*:*:*
eclipse jetty 9.4.0 cpe:2.3:a:eclipse:jetty:9.4.0:maintenance_0:*:*:*:*:*:*
eclipse jetty 9.4.0 cpe:2.3:a:eclipse:jetty:9.4.0:maintenance_1:*:*:*:*:*:*
eclipse jetty 9.4.0 cpe:2.3:a:eclipse:jetty:9.4.0:rc0:*:*:*:*:*:*
eclipse jetty 9.4.0 cpe:2.3:a:eclipse:jetty:9.4.0:rc1:*:*:*:*:*:*
eclipse jetty 9.4.0 cpe:2.3:a:eclipse:jetty:9.4.0:rc2:*:*:*:*:*:*
eclipse jetty 9.4.0 cpe:2.3:a:eclipse:jetty:9.4.0:rc3:*:*:*:*:*:*
eclipse jetty 9.4.1 cpe:2.3:a:eclipse:jetty:9.4.1:20170120:*:*:*:*:*:*
eclipse jetty 9.4.1 cpe:2.3:a:eclipse:jetty:9.4.1:20180619:*:*:*:*:*:*
eclipse jetty 9.4.2 cpe:2.3:a:eclipse:jetty:9.4.2:20170220:*:*:*:*:*:*
eclipse jetty 9.4.2 cpe:2.3:a:eclipse:jetty:9.4.2:20180619:*:*:*:*:*:*
eclipse jetty 9.4.3 cpe:2.3:a:eclipse:jetty:9.4.3:20170317:*:*:*:*:*:*
eclipse jetty 9.4.3 cpe:2.3:a:eclipse:jetty:9.4.3:20180619:*:*:*:*:*:*
eclipse jetty 9.4.4 cpe:2.3:a:eclipse:jetty:9.4.4:20170410:*:*:*:*:*:*
eclipse jetty 9.4.4 cpe:2.3:a:eclipse:jetty:9.4.4:20170414:*:*:*:*:*:*
eclipse jetty 9.4.4 cpe:2.3:a:eclipse:jetty:9.4.4:20180619:*:*:*:*:*:*
eclipse jetty 9.4.5 cpe:2.3:a:eclipse:jetty:9.4.5:20170502:*:*:*:*:*:*
eclipse jetty 9.4.5 cpe:2.3:a:eclipse:jetty:9.4.5:20180619:*:*:*:*:*:*
eclipse jetty 9.4.6 cpe:2.3:a:eclipse:jetty:9.4.6:20170531:*:*:*:*:*:*
eclipse jetty 9.4.6 cpe:2.3:a:eclipse:jetty:9.4.6:20180619:*:*:*:*:*:*
eclipse jetty 9.4.7 cpe:2.3:a:eclipse:jetty:9.4.7:20170914:*:*:*:*:*:*
eclipse jetty 9.4.7 cpe:2.3:a:eclipse:jetty:9.4.7:20180619:*:*:*:*:*:*
eclipse jetty 9.4.7 cpe:2.3:a:eclipse:jetty:9.4.7:rc0:*:*:*:*:*:*
eclipse jetty 9.4.8 cpe:2.3:a:eclipse:jetty:9.4.8:20171121:*:*:*:*:*:*
eclipse jetty 9.4.8 cpe:2.3:a:eclipse:jetty:9.4.8:20180619:*:*:*:*:*:*
eclipse jetty 9.4.9 cpe:2.3:a:eclipse:jetty:9.4.9:20180320:*:*:*:*:*:*
eclipse jetty 9.4.10 cpe:2.3:a:eclipse:jetty:9.4.10:20180503:*:*:*:*:*:*
eclipse jetty 9.4.10 cpe:2.3:a:eclipse:jetty:9.4.10:rc0:*:*:*:*:*:*
eclipse jetty 9.4.10 cpe:2.3:a:eclipse:jetty:9.4.10:rc1:*:*:*:*:*:*

References for CVE-2018-12545

URL Tags
https://bugs.eclipse.org/bugs/show_bug.cgi?id=538096 Issue Tracking Vendor Advisory
https://lists.apache.org/thread.html/13f5241048ec0bf966a6ddd306feaf40de5b20e1f09096b9cddeddf2%40%3Ccommits.accumulo.apache.org%3E
https://lists.apache.org/thread.html/70744fe4faba8e2fa7e50a7fc794dd03cb28dad8b21e08ee59bb1606%40%3Cdevnull.infra.apache.org%3E
https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
https://lists.apache.org/thread.html/febc94ffec9275dcda64633e0276a1400cd318e571009e4cda9b7a79%40%3Cnotifications.accumulo.apache.org%3E
https://lists.apache.org/thread.html/ff8dcfe29377088ab655fda9d585dccd5b1f07fabd94ae84fd60a7f8%40%3Ccommits.pulsar.apache.org%3E
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CIS4LALKZNLF5X5IGNGRSKERG7FY4QG6/
https://www.oracle.com/security-alerts/cpuoct2020.html Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Patch Third Party Advisory
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