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CVE-2025-1948

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Date: May 8, 2025

In Eclipse Jetty versions 12.0.0 to 12.0.16 included, an HTTP/2 client can specify a very large value for the HTTP/2 settings parameter SETTINGS_MAX_HEADER_LIST_SIZE. The Jetty HTTP/2 server does not perform validation on this setting, and tries to allocate a ByteBuffer of the specified capacity to encode HTTP responses, likely resulting in OutOfMemoryError being thrown, or even the JVM process exiting.

Severity Score

Related Resources (8)

https://security-tracker.debian.org/tracker/CVE-2025-1948
https://nvd.nist.gov/vuln/detail/CVE-2025-1948
https://gitlab.eclipse.org/security/cve-assignement/-/issues/56
https://github.com/jetty/jetty.project
https://github.com/jetty/jetty.project/commit/c8c2515936ef968dc8a3cecd9e79d1e69291e4bb
https://github.com/jetty/jetty.project/issues/12690
https://github.com/jetty/jetty.project/security/advisories/GHSA-889j-63jv-qhr8
https://www.mend.io/vulnerability-database/CVE-2025-1948

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Top Fix

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Upgrade Version

Upgrade to version org.eclipse.jetty.http2:jetty-http2-common:12.0.17;org.eclipse.jetty.http2:jetty-http2-common:12.0.17

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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