In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large invalid TLS frame.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-26vr-8j45-3r4w Jetty vulnerable to incorrect handling of invalid large TLS frame, exhausting CPU resources
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
Link Providers
http://www.openwall.com/lists/oss-security/2021/04/20/3 cve-icon cve-icon
https://github.com/eclipse/jetty.project/security/advisories/GHSA-26vr-8j45-3r4w cve-icon cve-icon cve-icon
https://lists.apache.org/thread.html/r002258611ed0c35b82b839d284b43db9dcdec120db8afc1c993137dc%40%3Cnotifications.zookeeper.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r03ca0b69db1e3e5f72fe484b71370d537cd711cbf334e2913332730a%40%3Cissues.spark.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r05db8e0ef01e1280cc7543575ae0fa1c2b4d06a8b928916ef65dd2ad%40%3Creviews.spark.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r06d54a297cb8217c66e5190912a955fb870ba47da164002bf2baffe5%40%3Creviews.spark.apache.org%3E cve-icon cve-icon
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https://nvd.nist.gov/vuln/detail/CVE-2021-28165 cve-icon
https://security.netapp.com/advisory/ntap-20210611-0006/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-28165 cve-icon
https://www.debian.org/security/2021/dsa-4949 cve-icon cve-icon
https://www.oracle.com//security-alerts/cpujul2021.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuapr2022.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpujan2022.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuoct2021.html cve-icon cve-icon
History

Wed, 27 Aug 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.11986}

epss

{'score': 0.1227}


cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published:

Updated: 2025-08-27T20:37:23.768Z

Reserved: 2021-03-12T00:00:00.000Z

Link: CVE-2021-28165

cve-icon Vulnrichment

Updated: 2024-08-03T21:40:12.085Z

cve-icon NVD

Status : Modified

Published: 2021-04-01T15:15:14.237

Modified: 2025-08-27T21:15:37.060

Link: CVE-2021-28165

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-04-01T00:00:00Z

Links: CVE-2021-28165 - Bugzilla

cve-icon OpenCVE Enrichment

No data.