What is CVE-2025-1948?

CVE-2025-1948 is a high-severity vulnerability in Eclipse Jetty, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-05-08.

How severe is CVE-2025-1948?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Eclipse Jetty

CVE-2025-1948

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…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.006 (46.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Eclipse Jetty
Eclipse Foundation Jetty — versions 12.0.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

emo@eclipse.org (Issue Tracking)
emo@eclipse.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-1948?: CVE-2025-1948 is a high-severity vulnerability in Eclipse Jetty, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-05-08.
How severe is CVE-2025-1948?: High severity. CVSS v3 base score is 7.5 out of 10.