{"cve":"CVE-2025-1948","nvd":{"published":"2025-05-08T18:15:41.990","modified":"2026-06-17T08:40:24.420","status":"Analyzed","description":"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.\nThe 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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://github.com/jetty/jetty.project/security/advisories/GHSA-889j-63jv-qhr8","https://gitlab.eclipse.org/security/cve-assignement/-/issues/56"],"products":["eclipse:jetty"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2025-1948","score":0.00781,"percentile":0.55956,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-889j-63jv-qhr8","url":"https://osv.dev/vulnerability/GHSA-889j-63jv-qhr8","summary":"Eclipse Jetty HTTP/2 client can force the server to allocate a humongous byte buffer that may lead to OoM and subsequently the JVM to exit","modified":"2026-09-10T03:50:24.419575426Z","packages":[{"ecosystem":"Maven","name":"org.eclipse.jetty.http2:jetty-http2-common","purl":"pkg:maven/org.eclipse.jetty.http2/jetty-http2-common","ranges":[">=12.0.0 <12.0.17"],"fixed":["12.0.17"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}